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GreatSchools Rating

Keystone Montessori Charter School

Charter | 1-9 | 300 students

Our school is best known for providing a foundation for a lifetime of learning.

 
 

Living in Phoenix

Situated in a suburban neighborhood. The median home value is $185,000. The average monthly rent for a 2 bedroom apartment is $1,040.

Source: Sperling's Best Places
 
Last modified
Community Rating

5 stars

Community Rating by Year
2014:
Based on 14 ratings
2013:
Based on 6 ratings
2012:
Based on 5 ratings
2011:
Based on 2 ratings

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55 reviews of this school


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Posted Tuesday, 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!


Posted 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


Posted 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


Posted April 8, 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


Posted April 8, 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


Posted April 8, 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


Posted April 8, 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


Posted April 7, 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


Posted April 7, 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


Posted April 7, 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


Posted April 7, 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


Posted April 7, 2014

This is a great montessori school. Safe and neat enviornment. Well trained teachers. Friendly staffs.
—Submitted by a parent


Posted April 7, 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


Posted 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


Posted 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


Posted 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


Posted 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


Posted October 7, 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


Posted 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


Posted 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


Community ratings and reviews do not represent the views of GreatSchools nor does GreatSchools check their accuracy or verify the reviewers' identities. Use your discretion when evaluating these reviews.

About these ratings

The Community Rating is the school’s average rating from its community members (e.g., parents, students, and school staff). The highest possible rating is five stars; the lowest is one star.

The test results by subgroup show how the designated group of students is performing in comparison to the general population.
Math

The state average for Math was 69% in 2013.

31 students were tested at this school in 2013.

2013

 
 
97%

2012

 
 
94%

2011

 
 
89%

2010

 
 
91%
Reading

The state average for Reading was 75% in 2013.

31 students were tested at this school in 2013.

2013

 
 
100%

2012

 
 
100%

2011

 
 
95%

2010

 
 
100%
Scale: % meets or exceeds

About the tests


In 2012-2013 Arizona used the Arizona Instrument to Measure Standards (AIMS) to test students in reading and mathematics in grades 3 through 8 and 10, writing in grades 5, 6, 7, and 10, and in science in grades 4, 8 and 10. GreatSchools' profiles currently show AIMS mathematics, reading and writing results. 2013 AIMS grade 10 results represent on-track 10th graders for the 2013 test year. AIMS is a standards-based test, which means that it measures how well students have mastered Arizona learning standards. Students must pass the grade 10 AIMS in order to graduate. The goal is for all students to meet or exceed state standards on the test.

Source: Arizona Department of Education

Math

The state average for Math was 65% in 2013.

28 students were tested at this school in 2013.

2013

 
 
100%

2012

 
 
86%

2011

 
 
96%

2010

 
 
88%
Reading

The state average for Reading was 77% in 2013.

28 students were tested at this school in 2013.

2013

 
 
100%

2012

 
 
96%

2011

 
 
100%

2010

 
 
92%
Scale: % meets or exceeds

About the tests


In 2012-2013 Arizona used the Arizona Instrument to Measure Standards (AIMS) to test students in reading and mathematics in grades 3 through 8 and 10, writing in grades 5, 6, 7, and 10, and in science in grades 4, 8 and 10. GreatSchools' profiles currently show AIMS mathematics, reading and writing results. 2013 AIMS grade 10 results represent on-track 10th graders for the 2013 test year. AIMS is a standards-based test, which means that it measures how well students have mastered Arizona learning standards. Students must pass the grade 10 AIMS in order to graduate. The goal is for all students to meet or exceed state standards on the test.

Source: Arizona Department of Education

Math

The state average for Math was 63% in 2013.

26 students were tested at this school in 2013.

2013

 
 
96%

2012

 
 
91%

2011

 
 
88%

2010

 
 
96%
Reading

The state average for Reading was 79% in 2013.

26 students were tested at this school in 2013.

2013

 
 
96%

2012

 
 
100%

2011

 
 
100%

2010

 
 
100%
Writing

The state average for Writing was 56% in 2013.

26 students were tested at this school in 2013.

2013

 
 
96%

2012

 
 
77%

2011

 
 
73%

2010

 
 
96%
Scale: % meets or exceeds

About the tests


In 2012-2013 Arizona used the Arizona Instrument to Measure Standards (AIMS) to test students in reading and mathematics in grades 3 through 8 and 10, writing in grades 5, 6, 7, and 10, and in science in grades 4, 8 and 10. GreatSchools' profiles currently show AIMS mathematics, reading and writing results. 2013 AIMS grade 10 results represent on-track 10th graders for the 2013 test year. AIMS is a standards-based test, which means that it measures how well students have mastered Arizona learning standards. Students must pass the grade 10 AIMS in order to graduate. The goal is for all students to meet or exceed state standards on the test.

Source: Arizona Department of Education

Math

The state average for Math was 63% in 2013.

18 students were tested at this school in 2013.

2013

 
 
100%

2012

 
 
72%

2011

 
 
80%

2010

 
 
81%
Reading

The state average for Reading was 79% in 2013.

18 students were tested at this school in 2013.

2013

 
 
100%

2012

 
 
100%

2011

 
 
100%

2010

 
 
100%
Writing

The state average for Writing was 53% in 2013.

18 students were tested at this school in 2013.

2013

 
 
95%

2012

 
 
84%

2011

 
 
87%

2010

 
 
88%
Scale: % meets or exceeds

About the tests


In 2012-2013 Arizona used the Arizona Instrument to Measure Standards (AIMS) to test students in reading and mathematics in grades 3 through 8 and 10, writing in grades 5, 6, 7, and 10, and in science in grades 4, 8 and 10. GreatSchools' profiles currently show AIMS mathematics, reading and writing results. 2013 AIMS grade 10 results represent on-track 10th graders for the 2013 test year. AIMS is a standards-based test, which means that it measures how well students have mastered Arizona learning standards. Students must pass the grade 10 AIMS in order to graduate. The goal is for all students to meet or exceed state standards on the test.

Source: Arizona Department of Education

Math

The state average for Math was 65% in 2013.

20 students were tested at this school in 2013.

2013

 
 
100%

2012

 
 
92%

2011

 
 
91%

2010

 
 
100%
Reading

The state average for Reading was 85% in 2013.

20 students were tested at this school in 2013.

2013

 
 
100%

2012

 
 
100%

2011

 
 
91%

2010

 
 
100%
Writing

The state average for Writing was 52% in 2013.

20 students were tested at this school in 2013.

2013

 
 
85%

2012

 
 
85%

2011

 
 
45%

2010

 
 
100%
Scale: % meets or exceeds

About the tests


In 2012-2013 Arizona used the Arizona Instrument to Measure Standards (AIMS) to test students in reading and mathematics in grades 3 through 8 and 10, writing in grades 5, 6, 7, and 10, and in science in grades 4, 8 and 10. GreatSchools' profiles currently show AIMS mathematics, reading and writing results. 2013 AIMS grade 10 results represent on-track 10th graders for the 2013 test year. AIMS is a standards-based test, which means that it measures how well students have mastered Arizona learning standards. Students must pass the grade 10 AIMS in order to graduate. The goal is for all students to meet or exceed state standards on the test.

Source: Arizona Department of Education

Math

The state average for Math was 58% in 2013.

2013

 
 
n/a

2012

 
 
88%

2011

 
 
100%

2010

 
 
n/a
Reading

The state average for Reading was 72% in 2013.

2013

 
 
n/a

2012

 
 
100%

2011

 
 
100%

2010

 
 
n/a
Scale: % meets or exceeds

About the tests


In 2012-2013 Arizona used the Arizona Instrument to Measure Standards (AIMS) to test students in reading and mathematics in grades 3 through 8 and 10, writing in grades 5, 6, 7, and 10, and in science in grades 4, 8 and 10. GreatSchools' profiles currently show AIMS mathematics, reading and writing results. 2013 AIMS grade 10 results represent on-track 10th graders for the 2013 test year. AIMS is a standards-based test, which means that it measures how well students have mastered Arizona learning standards. Students must pass the grade 10 AIMS in order to graduate. The goal is for all students to meet or exceed state standards on the test.

Source: Arizona Department of Education

  • In 2010-2011, this school was designated "Excelling".
  • In 2009-2010, this school was designated "Excelling".
  • In 2008-2009, this school was designated "Excelling".

About the tests


Arizona uses AZ LEARNS Achievement Profiles to indicate schools' overall performance each year. For elementary and middle schools, the profiles are based on current and historical aggregated AIMS results, MAP results and whether or not the school made Adequate Yearly Progress (AYP). For high schools, AIMS results, AYP status and graduation/dropout rates are used. Schools are identified as Excelling, Highly Performing, Performing Plus, Performing, Underperforming, Failing to Meet Academic Standards or Pending.

Source: Arizona Department of Education

Breaking down the GreatSchools Rating

GreatSchools Ratings for this school are based on 2012-2013 test results. Use the breakdown ratings below to compare types of students at this school. Learn more »


Student ethnicity

Ethnicity This school State average
White 56% 42%
Hispanic 21% 42%
Asian 15% 3%
Two or more races 6% 1%
Black 2% 5%
American Indian/Alaska Native 0% 6%
Hawaiian Native/Pacific Islander 0% 0%
Source: NCES, 2010-2011

Teacher resources

Special staff resources available to students Assistant principal(s)
Art teacher(s)
Instructional aide(s)/coach(es)
Music teacher(s)
Special education coordinator
Teacher aid/assistant teacher
Read more about programs at this school
Source: Provided by a school official.

Awards

Academic awards received in the past 3 years
  • Academic Excellence Award for Reading (2011)

Special education / special needs

Level of special education programming offered
  • Basic - the school offers or partners to provide services based on the needs of individual students
Extra learning resources offered
  • Differentiated learning programs
Staff resources available to students
  • Special education coordinator

Science, Technology, Engineering, & Math (STEM)

School facilities
  • Access to farm or natural area
  • Garden/Greenhouse

Arts & music

Staff resources available to students
  • Art teacher(s)
  • Music teacher(s)
School facilities
  • Art room
  • Music room
Visual arts
  • Ceramics
  • Drawing / sketching
  • Painting
  • Photography
  • Textile design
Music
  • Choir / Chorus
  • Instrumental music lessons
Performing and written arts
  • Creative writing
  • Drama
  • Poetry

Language learning

Foreign languages taught
  • Spanish
Level of ESL/ELL programming offered
  • Basic - the school offers or partners to provide services based on the needs of individual students

Health & athletics

Staff resources available to students
  • Instructional aide(s)/coach(es)
School facilities
  • Access to farm or natural area
  • Access to sports fields
  • Garden/Greenhouse
  • Gym
  • Kitchen

Gifted & talented

Extra learning resources offered
  • Acceleration
School leaders can update this information here.

School basics

School start time
  • 8:30 am
School end time
  • 2:45 pm
Before school or after school care / program onsite
  • Before school: starts at 7:30 a.m.
  • After school: ends at 5:30 p.m.
School Leader's name
  • Sherri Sampson
Best ways for parents to contact the school
  • Email
Age at which early childhood or Pre-K program begins
  • 2 years old
Gender
  • Coed
Is there an application process?
  • Yes
Fax number
  • (480) 283-8402

Programs

Instructional and/or curriculum models used

Don't understand these terms?
  • Montessori
  • Multi-aged
Specific academic themes or areas of focus

Don't understand these terms?
  • None
Bi-lingual or language immersion programs offered

Don't understand these terms?
  • No
Level of special education programming offered
  • Basic - the school offers or partners to provide services based on the needs of individual students
Foreign languages taught
  • Spanish
Level of ESL/ELL programming offered
  • Basic - the school offers or partners to provide services based on the needs of individual students

Resources

Staff resources available to students
  • Art teacher(s)
  • Assistant principal(s)
  • Instructional aide(s)/coach(es)
  • Music teacher(s)
  • Special education coordinator
  • Teacher aid/assistant teacher
Extra learning resources offered
  • Acceleration
  • Counseling
  • Differentiated learning programs
  • Remediation
Transportation options
  • None
School facilities
  • Access to farm or natural area
  • Access to sports fields
  • Art room
  • Audiovisual aids
  • Garden/Greenhouse
  • Gym
  • Internet access
  • Kitchen
  • Library
  • Music room
  • Playground
School leaders can update this information here.

Sports

Boys sports
  • None
Girls sports
  • None

Arts & music

Visual arts
  • Ceramics
  • Drawing / sketching
  • Painting
  • Photography
  • Textile design
Music
  • Choir / Chorus
  • Instrumental music lessons
Performing arts
  • Creative writing
  • Drama
  • Poetry
Media arts
  • None
School leaders can update this information here.

School culture

Dress Code
  • Dress code
Bullying policy
  • This school has a bullying and/or cyber bullying policy in place.
Parent involvement
  • Attend parent nights
  • Chaperone school trips
  • Organize fundraising events (school auction, bake sales, etc.)
  • Volunteer in the classroom
  • Volunteer time after school
School leaders can update this information here.

Apply

 

TIP: Don't forget to ask about documents required for enrollment, such as your child's birth certificate, proof of address, or a record of immunizations.

 
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1025 E. Liberty Lane
Phoenix, AZ 85048
Website: Click here
Phone: (480) 460-7312

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