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1-9
Public charter
Phoenix, AZ
Students enrolled: 300
Before care: Yes
After care: Yes

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1025 E. Liberty Lane
Phoenix, AZ 85048

School website
(480) 460-7312
(480) 283-8402
Nearby homes for sale
Map of Keystone Montessori Charter School address.

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November 11, 2014
In the past 2 months at school, my 9 yr old daughter has done the following: Organized/raised money/planted a huge garden behind her classroom, Grocery shopped & Cooked a Thai meal for her class (and researched Thailand), volunteered at Feed My Starving Children (and now wants to have her birthday there helping feed the hungry), completed numerous research projects with enthusiasm and still manages to learn a ton of Math & Science. There was "girl drama" in class and the students involved were given gentle guidance and support from the teachers who are well aware when things like this happen (which WILL happen at this very social age). The drama was resolved with respect and understanding (valuable lessons learned in this situation that cannot be easily taught in books). There are more "life lessons" taught at this school than just learning STEM or other similar programs. There's heavy duty education but it's also teaching kindness, respect (for nature and each other), tolerance, communication, the list goes on. Best of all, it has nurtured a natural desire in my daughter to WANT to learn and she looks forward to school everyday. It's Amazing.

- submitted by a parent
August 19, 2014
My family is going into its eighth year of having a child at Keystone. Over the years I could easily have seen why some might perceive that large benefactors' children receive preferential treatment. But that is a short sighted view of how the school operates. As you spend more time in the school you see that everyone takes their gifts and their lumps equally. The administration has gone out of their way in classroom placements to not give large contributors/volunteers the teachers that the parents requested. Any school is going to have its strong and weak teachers based on a parent's opinion. But in the end each of those teachers might be the best teacher your child has in school, or the worst teacher your friend's child had in school. Keystone does have an active and involved parent community. Contributing to the community is every family's personal decision. We appreciate the education that our children are receiving at Keystone and would recommend it to other families that are willing to make the commitment to the full (and lengthy) experience of a Montessori education.

- submitted by a parent
August 18, 2014
They give obvious preference to families with money, and conveniently 'lose' the wait list paperwork of people without money. In general, the only way to assure you get in is to start in preschool. After that, the chances are slim, and are zero if you ask about the annual contribution or the possibility of a scholarship.

- submitted by a parent
July 01, 2014
I am a former student and personally I have to say that Keystone was a great during my elementary years. However when it comes to the adolescents Keystone doesn't have a clue what they're doing. I can say from personal experience that I was unprepared for the work load in high school. I can also say that Keystone did not give me the social skills I needed for high school. I was also the victim of bullying during my later years at Keystone. When I approached teachers and staff about the bullying I was not helped. Some of the teachers also developed personal hatred for me. Do yourselves a favor and either don't send your children to Keystone or move them before they get to 6th or 7th grade.

- submitted by a community member
May 11, 2014
I am a current student of Keystone Montessori and personally, I couldn't be happier. The teachers are kind and understanding, but, of course, push you, and Keystone definitely is not the type of school where you have to worry about bullying and discrimination. I'm currently in seventh grade, almost eighth grade, and in throughout all seven of the years I've gone to Keystone I haven't encountered one bully or unfair teacher. (Strict teachers, yes, but that, to a reasonable extent, is necessary.) And the education is great, too! If you are looking for a school that will help your child aspire in all academical fields, Keystone Montessori is definitely the best choices out there.

- submitted by a community member
April 25, 2014
I am a current student and I believe Keystone Montessori is a very productive school that's fun at the same time. It has to be one of my most favorite schools that I've been to yet! I have learned many new and interesting things. I've also improved in many subjects and have met many nice and respectful people.

- submitted by a community member
April 22, 2014
Keystone Montessori follows the philosophy of Dr. Maria Montessori enabling the children to learn based on their interests and mastery of skills. This is my granddaughter's first year at school beginning as a 4-year old, and already, she is learning to read, learning to write in cursive, and learning and understanding place value. These academic skills are coupled with lessons in "grace and courtesy" in which the children practice good moral values and proper etiquette. Life skills are an integral part of the curriculum as well. The staff are caring and compassionate and look at each child as an individual. We have been extremely happy with Keystone Montessori!

- submitted by a community member
April 16, 2014
True Montessori education. Love the way my kids get to learn. Keystone is not just a great school it is a great community!

- submitted by a parent
April 16, 2014
I have peace in my heart each day when I drop off my daughter at school because I know when I return at the end of the day she will have had a day filled with wonderful learning experiences. The Keystone community (parents/staff) are made up of such lovely people. I feel blessed to have found such an amazing school!

- submitted by a parent
April 08, 2014
This is a real Montessori school where the children are always encouraged to follow their own interests and explore the world. They learn the 'basics' along the way without it ever becoming a chore or stressful. The facility and materials are all designed to encourage this exploration and discovery and the teachers and staff are all so respectful of each child's strengths. From pre-school to elementary school, we have never heard "I don't want to go to school" from our child!

- submitted by a parent
April 08, 2014
Keystroke Montessori is by far the most child-focused, wonderful school. The campus is inviting, warm and beautiful, nestled in the Phoenix mountains, with spectacular views. The rooms each have a floor to ceiling glass garage-style door that can completely open on beautiful Arizona days, allowing the outside in while the children learn, engage, move about freely and naturally. Instruction is done with children, not at them and each child is free to focus and learn independently as well as with the guidance of the instructor. My child is happy at Keystone and he is exposed to learning and traveling opportunities that were never available through any public school. Keystone focuses on each child and family and parental involvement is part of the culture. Thank you KMCS for providing an exemplary education in a format children naturally learn best.

- submitted by a parent
April 08, 2014
Our kids have been at Keystone for over 4 years now. We love the school and how the Montessori method is implemented. My husband and I are happy to have found a school in which all parents are as committed as we are to their children and to their school. You can observe the class of your child as many times as you want and the teachers are always one email away. The school offers many activities that allow our kids to positively develop into their following years. None school is perfect, but this is the closest I know to perfection!

- submitted by a parent
April 08, 2014
A true "Montessori" environment that allows our children to succeed in academics, as well as becoming well rounded members of our society. Why in the world would you want to subject your children to hours of homework every night when you get even better end results with the montessori way. Beats me and Keystone has the reputation and test scores (if that is what you are in to) to prove it.

- submitted by a parent
April 07, 2014
I can not possibly say enough good things about Keystone and how it has influenced my children to be the beautiful little souls that they are. They both started around 3 years old and were taught grace and courtesy lessons that have shaped them into children that I get complimented on all of the time. They are peaceful, kind, empathetic, self-driven children at the ages of six and eight and I owe that to these teachers that give them the perfect amount of responsibility and guidance. My children love going to school, and a positive foundation for their learning and education is all I ever hoped for. They take such pride in what they contribute to their class. I, personally, love most that it is a small, closed campus area that feels very safe. The front desk personnel know each child's name and know where they should be and when. The other parents are great which makes the school functions so much fun. It is a loving community of people who will help out with other's children, no questions asked. I can't imagine having my children anywhere else.

- submitted by a parent
April 07, 2014
Hands on learning is how children's brains are biologically wired to learn. Sitting and listening to teachers talk all day is not. The Montessori method was scientifically based - created by researching what worked best for each age of development. My son is finally excited to go to school, is able to move around, talk with others about his learning, and doesn't just memorize what he is told to learn. He truly understands the concepts, because he is responsible for his own learning - at 7 years old and beyond. We are very happy here!!

- submitted by a parent
April 07, 2014
Our daughter just recently started attending Keystone Montessori and we have been please with the school so far. I like the Montessori method of educating children and it fits in well with my child's needs. If there is one negative that I would have to say then it is the hours for extended care. The school does not open till 7:30 a.m. and closes at 5:30 p.m. cutting it close for working parents. I think a 7 a.m. to 6 p.m. time frame would work better for our family.

- submitted by a parent
April 07, 2014
We transferred our kids to Keystone after a difficult experience at our local public kindergarten. I was familiar with Montessori, but had never seen it implemented so beautifully as I did that first day walking into Keystone. Instead of being motivated externally (by constant drilling and testing and behavior charts), students here are motivated by their intrinsic curiosity and their own desire to learn about the world. Whereas before my daughter was afraid to take risks because of fear of failing a test, she is now making huge strides in her reading and writing. She's falling in love with learning, finding confidence, and gaining essential interpersonal and life skills. The teachers and administrators work hard to build a sense of community among students and parents. We couldn't be more pleased with our experience so far.

- submitted by a parent
April 07, 2014
This is a great montessori school. Safe and neat enviornment. Well trained teachers. Friendly staffs.

- submitted by a parent
April 07, 2014
As a parent, I wanted a place that would foster joy in learning, respect; an environment where my child could grow not only academically, but as a whole person, preparing him with life skills, not just test taking skills as most traditional schools do. This I have found at Keystone. You'll also find the school community to be very welcoming and supportive.

- submitted by a parent
February 27, 2014
We have 2 kids at Keystone Montessori; one in Toddler classroom and one in Primary (moving up to lower elementary this year). We moved them from another Montessori school and could see a big improvement in them. Both classrooms provide excellent care, education and practical life experience. We grew up in a traditional school setting and at first we were concerned about their academic abilities. To our surprise, our older son shows great math and ready skills. With authentic Montessori experience the school provides, I feel my son does the math with thorough thought process and deep understanding, rather than memorizing. He also started to read a chapter book himself when he was about 5 years old. The toddler classroom is also excellent. We are pleasantly surprised to see how much my little one can be so independent at such a young age (feeding, dressing up, cleaning up himself). His communication and concentration are also excellent. I give all the credits to the school for such a great job they have done to my kids!

- submitted by a parent
October 25, 2013
My daughter began attending Keystone in first grade and is now in the school's "Adolescents" class for 7th grade. So far, we have been very, very happy with our child's academic progress and the extra-curricular activities, especially music and Spanish instruction. The transition from "Upper Elementary" to "Adolescents" was pretty rough because of the sudden shift from no homework to what seems an awful lot, but after a few miserable weeks, things are going more smoothly, and my daughter has learned some important lessons regarding time management. I'm certain that when she moves to the local high school in a couple of years, she will be very well prepared.

- submitted by a parent
October 19, 2013
Montessori school should be the way every child is taught. Not only does it teach a love of learning, but it also teaches how to love and respect all others. Our daughter loves Keystone and so do we. The teachers, staff and administration all truly care about every child. We could not be happier!

- submitted by a parent
October 19, 2013
Keystone is incredible. My daughter has been there since February of this year, and bounds in there every day. The staff are warm, genuine, and take they're jobs as educators very seriously. There is an amazing vibe about the school, and loved it so much that I applied for a job! Now they're not only the best school for my daughter, they're the best school for me. Amazing colleagues.

- submitted by a parent
October 07, 2013
We cannot tell you enough how much we appreciate all of the caring staff and wonderful teachers at Keystone Montessori. Keystone Montessori helps each of our children grow to their full potential. We have a child with special needs who knows they are loved in their schooling environment. While our typical children are thriving academically, our special needs child is thriving socially. We are very thankful to be part of this wonderful community and amazing school.

- submitted by a parent
September 17, 2013
Our family has been with Keystone for many years. Our children have had the opportunity to excel academically while they grow socially with their peers. They have developed a true love of learning with the Montessori philosophy. We have been extremely happy with Keystone and highly recommend this school.

- submitted by a parent
January 22, 2013
I can't say enough about how happy my whole family is with Keystone. The teachers are so dedicated, the administration is well organized and fair, and the school has a caring and respectful tone. Parent involvement creates a supportive environment and a community feel. Most importantly my children are happy, challenged, and passionate about learning. We have been at Keystone since preschool and on and I would recommend the school with out hesitation. We feel truly lucky to be there and know the school has something very special going on. The only area I feel could use some improvement would be in communicating changes. They do a good job but not as strong as they are in other areas. To reference some comments I saw below, I have never witnessed favorable treatment to families who are able to donate more money, that has not been my experience at all in the five years we have been here. Also, this is a true Montessori school. To avoid a mismatch in schools where comments like I read below come from, "great if your kid wants to be a janitor" please make sure you understand the Montessori philosophy before you pick Keystone and you won't be disappointed.

- submitted by a parent
November 08, 2012
Keystone is an amazing school with outstanding students, teachers, administration, and parents. The school is an authentic Montessori program that nurtures each child's individuality. My two children have attended the school for 6 years starting in Children's House and it is the only school I see them going to through the 9th grade. I have spoken with other parents of children who have transitioned out of the school and into high school and they have all had wonderful things to say about their children's smooth transitions, social adjustment, and academic accomplishments. This school is an authentic Montessori, privatel like quality school that depends on donations to operate at this quality level. I personally feel that parents need to understand that public funding does not provide the means to deliver a quality program; this is why people are unhappy with public school. I chose Montessori and I chose Keystone.

- submitted by a teacher
November 06, 2012
I recommend Keystone without reservation. In addition to becoming lovely human beings, our children are thriving. Our 5 year old is reading, writing, and comprehending mathematical concepts. What I love is that the children have a deep love and understanding of all that they learn, rather than simply the ability to memorize and regurgitate information. As a result of their time at Keystone, our children have an inextinguishable love of learning and respect for the world around them. The Keystone campus is lovely and the teachers and staff are very caring and dedicated. Keystone is a traditional Montessori school that follows the teachings of Maria Montessori and uses traditional Montessori materials. Parents considering a Montessori school should consider reading up on the philosophy and methodology before enrolling. Montessori schools develop character AND intellect on an individualized basis. Children develop at different rates. Montessori schools provide an environment to facilitate self-motivated activity where the mastery of the work is its own reward. Children spend 3 years with the same teacher. This creates a meaningful bond between student, teacher, and parent.

- submitted by a parent
November 05, 2012
Reviewer below could have been me ( see July 27th review). Her experiences at this school are similar to mine. I also believe that parents who donate are in a league of their own and their kids are better attended to. I pulled my kid in mid-year because she was not showing much academic progress at all, although teachers assured me that my child us "progressing at his own pace." My child seemed to enjoy his time in the classroom, but was never eager to go to school. My biggest complaint is that our teacher was not willing to listen to my worries about lack of progress. Default position of this teacher was that she knows best and that I should patiently wait to my child to start showing motivation to learn. I regret my decision to enroll my child there. When we moved to another school (mid-year) my child showed sudden interest in learning. But the reviewer below was right: our learning curve was steep. My child is now excelling and is doing quite well. Don't be deceived by attractive, well-dressed surface of this school. Other people seem to have much better experiences, but like the reviewer below said, "hit or miss" is also a theme at Keystone.

- submitted by a parent
July 27, 2012
The teachers at Keystone are hit or miss -- some are good, although many have no formal college education. As other reviewers mentioned, there is high teacher attrition. In the classroom, there is a strong emphasis on "practical life" learning which includes things like cleaning, cooking, and tending to the outdoor environment. Unless you aspire for your child to be a janitor, cook or gardener, this isn't where you'd want your child's focus. When I transfered my child to the Kyrene School District there was a steep learning curve because of deficiencies in his learning at Keystone. As others mentioned, there is a constant pressure to donate money. Those who donate are favored and get better teacher assignments.

- submitted by a parent
February 19, 2012
This is an amazing school! The teachers are great and really care about the children and always want to make sure that they become the best that they can be. My daughter was at Keystone from Kindergarten until 8th grade. The transition was very hard for her because she went to a large high school in the area. I wish that the adolescent program had prepared her a little more for high school and gave a little homework- even though thats not the Montessori philosophy the children are going to need to do homework in all the other schools that they go into. This is an amazing school and I think that my daughter learned how to be kind to others and how to help others that could be in need of help. True life skills were learned at this school. We are truly appreciative of the staff and teachers at this wonderful school!

- submitted by a parent
September 05, 2011
Keystone is nestled in the foothills of Ahwatukee but is miles away from ordinary. Children are directed through learning without being forced, making them eager to take on new challenges while learning at their own unique pace. From first grade on, students are also treated like young adults, resulting in engaged, well-rounded, community-minded achievers. Every day our son comes home saying, "I love school," we're truly thankful that a better way thrives in Arizona. And yes, you will too...

- submitted by a parent
August 16, 2010
Our child attended Keystone Montessori School from Kindergarten - 9th grade. We are so fortunate for the education and life skills that he gained. He was very well prepared when he transitioned to high school as a sophomore. In high school, he has been enrolled in honors and AP classes, he is a member of the National Honor Society...and he enjoys learning! He is now a senior and looking forward to furthering his education even more next year in college. The school definitely has high academic standards, however, the beauty of Keystone is that along with academics, learning revolves around the "whole child". Children are respected as human beings; they learn to make good choices; they are confident and they are surrounded by cultural diversity. We believe that all of these aspects combined make it possible for students to be successful in whatever path they decide to take in life!

- submitted by a parent
August 11, 2010
My family transfered to Keystone from another valley montessori school a few years ago. I did alot of research and fact finding in order to make the decision. My children have gone through all levels now at the school and have received a very authentic Montessori education. The fact that donations are requested is due to the low State funding, and for a premium program a donation is truly worth. I have never felt pressured. As for test results all Montessori students do well, they just know this stuff due to the great program. It just might not be for everyone.

- submitted by a parent
May 17, 2010
I can't say enough thank you's to all the amazing staff at Keystone! My children love school and are always eager for the school year to begin again. Keystone is Montessori 100% and I can't imagine my children anywhere else!!!

- submitted by a parent
no rating May 14, 2010
I really feel like the teachers & staff really care about my child, it should be voted as America's Favorite School because of the awesome curriculum and wonderful experience they provide to their students.

- submitted by a parent
April 15, 2010
Last year my family joined Keystone to find the most wonderful staff. We moved from out of state and having attended, what I thought was an authentic Montessori environment, only to learn that I had found an even better place for my children. The entire community, from parents, faculty and administration has met my expectations in every way. We couldn't be happier.

- submitted by a parent
March 26, 2010
We were very dissapointed with the school's ability to retain their AMI quality teachers and the adminstration is judgmental towards families who can not pay extra to their financial campaign

- submitted by a parent
September 16, 2009
Keystone is a great school and my child has really blossomed since he started attending this school. The teachers and administration are great. The parents are very involved and active and the school and are dedictated to its success. We are very pleased with our experience so far.

- submitted by a parent
no rating September 15, 2009
Keystone is, by objective measures, consistently a top performing school, but it is also a school that, operating in the grand Montessori tradition, inculcates a genuine love of learning in students by helping students discover their own strengths and weaknesses and giving them the means to work toward capitalizing on the former and working to strengthen the latter. The school is wonderful, and beloved by its community.

- submitted by a parent
August 04, 2009
My two children went to Keystone for several years. Our experience has been mixed. The extra curricular activities at Keystone are fantastic, the field trips, the year end tours, the science fairs - fabulous. Considering the fact that they do all this with little or no extra money from the parents is great! Parental involvement is also phenomenal. One thing I have a major peeve about Keystone is about the quality of teachers. There is a very high turnover of teachers - my kids had a new teacher every year, which defeats the Montessori advantage of having mixed age classes (grades 1-3, 4-6 etc). Teacher quality was mixed at best, there were a couple of teachers who had major difficulty communicating with the students and the parents. They didn't encourage gifted children by providing extra challenges or opportunities to learn. I have decided to move both my kids to another school.

- submitted by a parent
June 19, 2009
My son was really struggling with school when he attended a traditional public school. I decided to move him to a Montessori setting, and chose Keystone because it was a good size, a beautiful campus, and most importantly the teachers seemed very engaged with the kids. We have been so happy to find that Keystone was everything that we hoped it would be! Within just a few weeks, my son was reading at grade level, and his behavior was excellent. He has been motivated to learn in new ways, finding engagement in subjects that weren't even an option at his previous school. I highly recommend Keystone Montessori.

- submitted by a parent
March 24, 2009
Keystone is an amazing school with outstanding students, teachers, administration, and parents. The school is an authentic Montessori program that nurtures each child's individuality. My two children have attended the school for 6 years and it is the only school I see them going to through the 9th grade. I have spoken with other parents of children who have transitioned out of the school and into high school and they have all had wonderful things to say about their children's smooth transitions, social adjustment, and academic accomplishments.

- submitted by a parent
October 02, 2008
I have 2 children at this school. My children have attended Keystone for 3 years and I am thrilled with the school. The teachers at Keystone are certified (I checked), the program is a true Montessori program, and my children are thriving. They score very high on standardized tests and are socially well balanced because of this type of education. I would recommend a true Montessori education to every parent.

- submitted by a parent
July 23, 2008
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- submitted by a parent
March 26, 2008
My son has attended Keystone for the past year. I am thrilled with this school overall. The staff is responsive and motivated. They genuinely belive in the kids and their potential. Parents are invited to participate throughout the year with community workshops, Montessori Journey (overview of Montessori methods for parents), classroom meetings, etc. We get a weekly email update from the school about events and upcoming projects. My only negative would be the lack of a hot lunch program. As a working parent, I would like that option. I'll keep making sandwiches, because I love the school otherwise.

- submitted by a parent
February 07, 2008
The most authentic Montessori environment of any school I have seen or researched. It is unusual to find this kind of quality Montessori in a charter school situation. After a job transfer we had to pay more than 12,000 a year to get a similar education elsewhere. It still does not measure up in many ways to Keystone.

- submitted by a parent
January 18, 2008
The best. The best. The best. Teachers. staff, volunteers. All caring, loving, tolerant, and truly passionate about what they do. Montessori curriculum, the best I ever seen. I'd recommend it to any parent, especially to those who have children who have been labeled as behaviorally challenged.

- submitted by a parent
January 06, 2008
This review submitted without content.


- submitted by a student
June 12, 2006
Keystone really strives to provide an authentic Montessori education. The school has worked hard to employ qualified teachers Montessori trained teachers. The student ratio is low, about 13 to 1. Independence is encouraged and children learn by doing. My child has taken several multi day fieldtrips with his classmates and these experiences have also helped develop independence. I would recommend this school to anyone who wants a more intimate school environment with a quality authentic Montessori curriculum.

- submitted by a parent
June 12, 2006
Keystone is a wonderful place for children. The staff is caring and children have fun learning. Keystone provides an authentic Montessori education unlike other so called 'Montessori' schools. It is a safe and welcoming envoironment. The children are exposed to a lot of real-life experiences including day field trips and overnight trips. The classrooms are wonderful, I just wish the outdoor envirnoment were more shaded and had playground equipment, but in time hopefully the school will have the funding to do something about that.

- submitted by a parent
April 05, 2006
Fantastic acadmic program. Pure montessori curriculum. Some extra curricular activity and deep level of parent activitiy.

- submitted by a parent
April 05, 2006
My kid has gone to keystone for 3 years. We are happy wiht the school and the environement that it provides for our kids.

- submitted by a parent
March 10, 2006
This review submitted without content.


- submitted by a parent
February 10, 2006
Keystone Montessori provides an authentic Montessori education, on par with that provided by private schools. The small school environment and low student to teacher ratio promote a sense of community and shared responsibility for the education of all children. Students are treated as unique individuals, with respect provided by both staff and other students for individual difference. Children are encouraged to advance at their own pace, with guidance from staff, but motivation and task selection from within. I highly recommend visiting Keystone for a first-hand look at the quality education that takes place there daily.

- submitted by a parent
January 13, 2006
This review submitted without content.


- submitted by a parent
August 26, 2005
This review submitted without content.


- submitted by a teacher
July 14, 2005
Administration focuses on the key issues of education while adding important experiences for the kids. While there are frequent requests for donations, the cost/benefit ratio for this school is unbeatable. I have parental experience with 3 other Montessori schools in the area and this is clearly the best value

- submitted by a parent
April 21, 2005
My son is in the second year of the three through six year old program. I love this school. The teaches are passionate about the kids and the Montessori method. The school is committed to provide the teaches the materials they need for the classroom enviornment. The parents are involved and committed: attend a community meeting and you will see what I mean. The school last year purchased their land and they are involved in an ambitious project to construct the space for their fledging sixth through nineth grade program. The building is scheduled for completion for September 2005. I feel very fortunate to have found this school.

- submitted by a parent
August 31, 2004
I have loved the small community atmosphere at this school. My kids always feel safe and are not a number at this school. The Montessori education is ideal for the self learner. My kids have a love for learning which I attribute to the educational style found at Keystone. The families that are drawn to this school are outstanding. If you are looking for a small, highly parent involved school, this is it.

- submitted by a former student
August 23, 2004
My daughter has thrived at Keystone. The quality of teachers and the attention each child receives is outstanding. Do I mind that they look for donations? Absolutely not. The quality of eduaction is worth it to me. The volume of parent volunteers is truly amazing. So many people getting involved in the education of our children is a hugh benefit to the entire Keystone Community. I couldn't be happier at Keystone.

- submitted by a parent
March 19, 2004
Two years at Keystone and my child was behind. His Standford grades where outstanding at Keystone. So I was not only schocked to see how poor he scored in the Kyrene School Destrict on his Standford testing. He also had alot of catching up to do. I left the school because I was tired of the constant begging for money that was used to pay off the building.

- submitted by a parent
July 31, 2003
Our family's experience at Keystone was one of great disappointment. Our biggest concern was the lack of quality teachers, lack of technology and the constant demand for donations. The learning in the classroom is very limited, primarily due to the lack of experience/education of the teachers in addition to the lack of structure within the classroom. In our view, we did not think that Keystone provided the Montessori concept of teaching. On a positive note, the parent involvement is very high.

- submitted by a parent
July 11, 2003
I have been a parent at Keystone for over 5 years. We are a school community committed to growing the best Montessori program possible for the children of today and tomorrow. Good enough simply isn't and we are dedicated to continous improvement. We are funded by tuition, state monies and donations. Keystone is a nonprofit organization. We conduct our formal fund raising program in direct proportion to what it takes to pay for the high quality program that attracted families to Keystone in the first place. Many thanks to those who donate as your generous investment in the future allows all of us to enjoy a quality small Montessori school environent and low ratios. A byproduct of these is high test scores. I'm proud to belong to a community that demands excellence and is willing to find a way to pay for it. We refuse to settle for what the State of Arizona (ranked near the bottom in the nation on education spending) would give us for 'free.' The cost of education is rising and many traditional public schools are cutting 'fun' and 'extracurriculars' to make ends meet. But I am confident that the Keystone community will continue to think outside the box, take responsibility for our choices and find ways to fund our goal of growing the best possible Montessori school.

- submitted by a parent
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Last modified: December 16, 2014

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Keystone Montessori Charter School
1025 E. Liberty Lane, Phoenix, AZ  85048
(480) 460-7312
Last modified Keystone Montessori Charter School is a Charter school that serves grades 1-9. It has received a GreatSchools rating of 10 out of 10 based on academic quality.
Keystone Montessori Charter School Rating: 4 out of 5 based on 64 reviews. Top