Students enrolled 3044
School leader Catherine Real
Transportation options Yes
District Walnut Valley Unified

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21400 Pathfinder Road
Diamond Bar, CA 91765

School website
(909) 594-1405
(909) 595-8301
Nearby homes for sale
Map of Diamond Bar High School address.

4 stars
Based on 69 ratings

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think about this school

April 29, 2014
My school has more diversity and flexible areas than other school. I am so happy for my children to be with faculty and students.

- submitted by a parent
March 03, 2014
My son is the 11th grade Summary: * Teachers:"F". They are horrible. Very lazy and absolutely no motivation to give the minimal effort. The only reason school's scores are competitive is because students work hard in spite of the poor teachers. The system is set up so that if students get high AP scores, then it must be because of the great teachers, right? Well, not quite. My son had a teacher tell the kids to leave the classroom so he could make a personal call for the whole class period. Another would scream and yell at students all the time. While yet another didn't know how to do the math problems so would work out the easiest one in the chapter and assign all the rest without teaching the content. Administration: "D". Principal doesn't want to document infractions against teachers, etc. As a result, they tolerate poor teachers. Many schools sponsor lots of academic competitions to promote high achievement. This school has AP, IB, and that is pretty much it. We asked them to promote the different olympiads and they weren't interested. We asked them to administer other AP tests (not offered at the school). The teacher did not want to come in to administer a test.

- submitted by a parent
February 15, 2014
There is good and there is bad. However, there's actually more bad than good. GOOD: DBHS is highly regarded, has high test scores, relatively clean campus, and open doors for lots and lots of opportunities. Students are hard-working, dedicated, but it can be a little extreme. With a award-winning music program, world-class calculus classes, CIF wins in many sports, and a ridiculously high API score of 895 (2013), DBHS is regal. BAD: There are bad teachers for more difficult subjects, and social status and wealth dictates your social standing, which in the end dooms your high school life. Music program "requires" donations, and shuns peers that are less talented and active. The presumptuous majority of students are snobbish, judgmental, and die-hard-study-or-become-worthless thinkers. This is sad, because far too many students think that good grades mean college. Classrooms can be overcrowded, and lack of racial diversity interaction makes a social hierarchy, with the majority race standing on top. The popularity and success of a student in DBHS is dictated by their social standing, or wealth. Kids with money tend to be more "privileged", such as United Student Body (Leadership).

- submitted by a student
October 18, 2013
Terrible. How did this school get a 4 stars this place sucked. Only a few of the teachers were really good like the math ones. That's about it.

- submitted by a student
September 16, 2013
This is hilarious, reading all of these comments bashing this school, Im sorry, but those who did likely did not work hard or worked at all. This is a great school with great teachers and amazing opportunities, its competitive as heck and thats the brilliance of it. Its as real world as you get, so many people complain that its so hard but thats only because they dont understand how hard life is. As a student who has taken nothing but the most rigorous schedule (we're talking all AP/IB) every year, I have to say that you wont find a better school. The people you meet here are great and will move you forward, a good rule of thumb is to be friends with those smarter than or as smart as you from day one. I will admit, around 100 of the people in my class are likely stoners but that was their choice. In summary, make good choices and actually care about school, do both and you will be great. Also, at the comment that all the smart kids go to tutors or something- thats completely false, not to sound snooty, but if you understood the material you wouldn't need to be tutored, and all the people here who care about and work at their classes deserve their hard earned grades.

- submitted by a student
March 17, 2013
Diamond Bar High School is, in my opinion, such a great school that offers so many opportunities to succeed to its students. Many down here on the comments have written that the school's success is based on solely students' hard work, but I strongly disagree. While currently attending a top-15 university, I see my high school teachers' (Buccola, Alcosser, Hwang, etc.) effort and work ethic reverberate onto my own work today. This school, overall, prepares students very well. As long as students form a positive group of friends, stay active in school-activities (such as band, sports, community service clubs, usb, etc.), and stay focused in studies. DBHS is of course a very competitive school, but it's that competition which drives students to excel and be prepared for their future.

- submitted by a student
November 02, 2012
There are some great teachers, and a little more bad ones. The band room is extremely messy . The workload is huge and many teachers don't even teach. Staff is also rude sometimes. I do not recommend this school. Everyone gets private tutors, but why? Why should the school take credit for all the good grades we (students) achieved with outside tutoring when the teachers should be teaching. My grades have plummeted going to this school. If you can afford private education, I suggest you enroll your child into a private school. This is not a good school , don't waste your time.

- submitted by a student
November 19, 2011
I am a current senior and I don't recommend DBHS. My family and I had always thought that DBHS was a great school. Little did we know that it has really gone downhill since we moved here. Half of the teachers I've had are at best mediocre, and I had to teach myself when my teachers didn't teach the lesson well. The counselors and faculty aren't great either and I find them unapproachable. The extracurriculars are great but I feel that was the only thing DBHS had going for it. I wouldn't recommend this school and I suggest parents reading this search for better options for their child.

- submitted by a student
October 05, 2011
Disappointed and unhappy. Transferring here was one of the worst decisions of my life and I truly regret coming here, thinking that DBHS will provide me with what I need. They didn't. They said they were "unable" to match up the classes and just gave me a random TA position knowing how much that will negatively affect me in terms of academic. This school may be prestigious and all, but it has nothing to do with the staff or the teachers. I am angry and disappointed, I'm in my most important year of high school where everything counts and I feel like they're just playing around with my classes as if they don't seem to care how much it will hinder my college transcript and application. The faculty shows no effort in helping a student, especially someone in their most important year of high school. I gave up APs at my old school and when I got to DBHS, they gave me nothing but poor "just to fill in credits" classes. Don't waste your time coming to this school. DISAPPOINTED.

- submitted by a student
March 30, 2011
Have been attending this school for the past four years and have finally graduated. My evaluation of Diamond Bar High School is not too positive. Reading the articles and hearing others saying that this school is top tier, having a reputation of having that best calculus program in the world, while this maybe true, the credit should not go to the school, but the individual student, I am sure most of the students who are successful have obtained a private tutor, because the faculty does little to no effort in helping the student to his/her success and this also applies to other subjects as well. Some of the teachers that I've had takes their job as a forced "routine" and not a challenge that they will enjoy for the sake of teaching. As for the student faculty, majority of them are obnoxious, arrogant and rude. I've have seen a lot of my friends from elementary school/middle school change their personality drastically (for the worst) during the four years of attendance because the sheer influence from majority of their "peers". Please reconsider or look for more valuable options before considering this school.

- submitted by a student
March 20, 2011
Segregated PTAs -- seven -- one for each ethnic group. (You can find this for yourself on the school website). The ethnic groups stick to themselves and exclude parents from outside their group. This was tough to take as mixed-ethnicity parents since we were basically shunned by the PTA groups and other parents to the point of it being cruel. If the PTAs are like this, you can imagine how bad it is for the kids with this kind of example being set by parents and condoned by the school allowing such an environment. I was shocked when we moved here from a racially diverse city where the ethnic groups mix and work together. Teachers and principal are fine and responsive to concerns, the test scores are high, it's a very safe neighborhood, but the community is comprised of very rigid cliques. It's very sad. I suppose if you fall into one of the preferred ethnic groups, are NOT mixed race, and are comfortable with the segregation you might be very happy here. But, I find it pretty horrible and shameful and would not recommend this school.

- submitted by a parent
February 03, 2011
Ironically although this school is known to be one of SoCal's finest, that is truly not the case. Many of the praises given to DBHS have been about high test scores, and to be honest, that is all the school has to it's name. The vast majority of it's staff has no true understanding on how to handle students, except when it comes to punishing or degrading them. Many of the school's more finer teachers have left or have been fired due to financial problems, and much of the lower quality staff remains. The students are also of poor quality, as the majority of the students enjoy ridiculing other students, fighting, or spreading rumors. For all parents who are considering this school that believe sending your child here will help them get into a better college will be disappointed that the opposite occurs. Because of the competitive and snobbish nature of many students, to truly stand out in this school is extremely difficult. Overall, this school may have used to be a great option, but the quality of the school has completely diminished over the years.

- submitted by a student
October 13, 2010
All of our children attended DBHS

- submitted by a parent
July 28, 2010
I don't like how the teachers and the school's programs are praised for the good name of DBHS when, in reality, the true reasons for the school's good reputation are the self-motivated and hard working students who persevere despite being taught by incompetent teachers.

- submitted by a student
no rating October 05, 2009
Starting from the principle to the teachers, everybody is very dedicated and helpful. Just walk into this school, you will feel welcome. Students are amazing, well behaved and also ready to lend a helping hand. Music academy program headed by Mr. Acciani is just great. My daughter loves it.

- submitted by a parent
March 24, 2009
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- submitted by a student
November 17, 2008
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- submitted by a student
August 17, 2008
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- submitted by a student
August 17, 2008
As a student of this school, I have notice something, first off the academic standard of this school. The teachers are very socialble and will give help when asked, but being very socialable the teachers that i have notice do not teach the students effectively and sometimes just talk about there weekends or other off topic situations, which i personally dislike. As for Athletics, DBHS has a very good program, winning CIF championships and watching the athletics take action is very enjoyable. Now, for the social life, this is what i have experinced, (this doesn't apply to everyone, but the majority) choosing your friends is very importaint during your freshman year, seriously, if you dont, doin hookah or playing beer pong is something you might be ending up doing through out your high school life.

- submitted by a student
August 09, 2008
This is a really good school. There are great teachers, staff, and it is also a clean campus. I would recommend this school if you want your child to be a successful student. Some people say its overcrowded, but that's not a bad thing. Every student is helped either by a teacher, tutor, or counsler. The world is overcrowded too, you don't see me complaining. Some parents don't understand that more people mean more socialization. More help from other students instead of just the teachers. It teaches kids to live in the real world, not just a dumb school with a small population.

- submitted by a student
June 10, 2008
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- submitted by a parent
March 16, 2008
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- submitted by a parent
December 14, 2007
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- submitted by a parent
November 08, 2007
overcrowded,some teacchers are average,they shld. have entrance exam. before entering here not just keep on accepting students

- submitted by a parent
October 12, 2007
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- submitted by a student
September 06, 2007
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- submitted by a student
August 25, 2007
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- submitted by a parent
July 21, 2007
This school is extremely overcrowded. For a special needs child or one that is just very sensitive emotionaly this is defiantly not the place to send them. Classrooms are too small to accomidate the student enrollment.

- submitted by a parent
July 19, 2007
It's a shame that the this school is mainly student driven. For the most part, the teachers do not really care. Having known many students that went through this school along with my kid, I can safely say that this school will probably be among the worse if it weren't for the self-motivated students and parental support. Although they have many programs and activities, most came out due to necessity of the students who were driven hard by their parents to do well. A good number of students take private tutored classes. The school is not diverse at all. Lack of interracial activities plague the campus.

- submitted by a parent
June 01, 2007
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- submitted by a parent
April 24, 2007
Great school that is extremely competitive. Most students serious as well as many, but not all, teachers. Many of the best teachers are leaving this year of 2007 leaving many students who are lost with inexperienced new student-teachers.

- submitted by a student
April 19, 2007
Administration and staff are incompetent, mired in self-interested. Do not listen to parents. Sad, pathetic bunch of administrators and teachers. However, students are self motivated, with supporting parents. If not in a wealthy, self-driven district, school would be one of the worst in the LA metropolitan area.

- submitted by a parent
August 24, 2006
This is a very competitive school, so anyone wanting to go here needs to be prepared for all the challenges and work that await them.

- submitted by a student
May 18, 2006
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- submitted by a parent
May 13, 2006
The best high school in the area. Awesome math program!!

- submitted by a parent
December 20, 2005
School campus is pretty good. Many teachers do not teach well, but there are a few very good teachers. Text books are mostly updated, new books. The library 'linc' doesn't have many reading books, also very small. I have a feeling some teachers don't care about the success of the students, but care for their own self.

- submitted by a student
no rating November 13, 2005
This school has many different programs/extracurricular activities that allow students to enjoy their high school career. All the programs function at a very high level!

- submitted by a student
November 02, 2005
This is one of the best High Schools in the United States. I think they are only 2nd to 1 on a scale of 1 to 10 10 being best. This School gets a 10 and the Honor Roll. Keep up the Good work DBHS

- submitted by a parent
October 07, 2005
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- submitted by a student
September 16, 2005
DBHS has a wonderful drama department. The students give excellent productions.

- submitted by a parent
September 10, 2005
This school was wonderful for my all 3 of my children. All 3 of my children received a great education with a great staff. Mr. Neil, algebra teacher was the favorite of all 3 of my children.

- submitted by a parent
August 23, 2005
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- submitted by a student
August 16, 2005
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- submitted by a parent
August 13, 2005
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- submitted by a former student
August 09, 2005
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- submitted by a teacher
August 04, 2005
Great staff. Progressive curriculum.

- submitted by a former student
June 16, 2005
This school is one of the best schools in the area. DBHS is especially good at its higher math (calculus)program. I benefited a lot from it. Because of my high scores on AB and BC Calculus AP exams, I fulfilled all college math requirements before I started college.

- submitted by a former student
May 06, 2005
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- submitted by a parent
April 29, 2005
This is a very high performing high school in which most of the students are truly college bound. There is a sense of competition among the students that often appears to break out along racial lines. Most of the teachers are well above average with many in the excellent catagory. It is common for there to be rigorous work in the classes and significant homework even in non-honors courses. There is a very active parent booster group that raises money to support all programs on the campus. In addition to a strong academic program, the school's athletic teams have been highly successful with many winning CIF championships. All in all, this is an excellent school, especially for students who are highly motivated.

- submitted by a parent
April 27, 2005
great school. super academic program. good music deparment. okay sports teams. ap calc is #1 in the world.

- submitted by a student
March 22, 2005
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- submitted by a parent
March 18, 2005
Having attended and was graduated from Diamond Bar High School, I can only give it the highest praise. My mother made it a policy to move to the best school districts; and this one was the best possible decision she ever made. I cannot stress enough the difference a revered school district can make in your child's life. The level of parent involvement is extremely high. The quality of academic programs speaks for itself as there are people who are willing to do almost anything to get their child in this district, specifically in a school in the city of Diamond Bar. The availibility of all types of extracurricular activities is mesmerizing, both in and out of the classroom. Remember, if you are moving to the city of Diamond Bar that the northern part is not Walnut Unified School District.

- submitted by a former student
March 09, 2005
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- submitted by a administrator
March 07, 2005
This high school has great students that are self-driven, and parents who value academic achievement above all else. The teachers are good, but too political. The high school administration, including the principal, is very bureaucratic and not responsive. They are more interested in grand standing, PR, and have a 'circle the wagon' mentality. I find them very intransigent and not responsive to parents' suggestions and constructive criticisms. The school is highly rated purely because it is in a high income Asian neighborhood where students and parents are high achievers. Walnut Valley School Board should provide better leadership too. I am a parent of a DBHS student, an ex-professor of a world class university, published author, and a current CEO of a public company. I am qualified to rate, and grade the Diamond Bar High students A+ in intelligence and motivation. The current administration deserves a D-/F score.

- submitted by a parent
no rating February 17, 2005
Diamond Bar is very crowded, yet it is a good atmosphere and they have good academics.

- submitted by a student
February 17, 2005
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- submitted by a student
January 05, 2005
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- submitted by a student
January 03, 2005
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- submitted by a parent
January 02, 2005
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- submitted by a parent
November 30, 2004
I think this is the greatest High School going. They have excellent teachers. That don't mind communicating with parents. Plus excellent counselors, Mr.Goode, excellent secretary's and Principal. Nothing left to be desired in Education.

- submitted by a parent
November 22, 2004
This is a great school with a current API of 826. It has a high academis progaram.

- submitted by a parent
September 11, 2004
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- submitted by a parent
July 14, 2004
This is a school stuck in the middle of the 'American Dream.' The children are all restless and wish they could get more out of their life instead of just rotting away here in this wretched school. This school wants to believe that it is an ample supplier of the 'American Dream.' In reality, it is not. The kids that turn out successful are solely due to the kids own talent. The school has nothing with shaping the morale and the dignity of the students. Rather, this school debilitates the students by making it seem that life outside of Diamond Bar is either unattainable, or that a life similar to the one led in Diamond Bar or surburbia is the best to lead.

- submitted by a parent
December 27, 2003
Our son is a graduate of DBHS and the entire staff did a great job of preparing him to become a successful citizen. His teachers and GLC's worked hard to challenge him academically, athletically, and as a person. This school is undoubtedly, one of the finest in the state! If there is anything that needs improvement is that a larger percentage of parents need to dedicate their time for the positive improvement of the school.

- submitted by a parent
December 26, 2003
Our son graduated from DBHS and we know that the entire staff helped him prepare to be a successful adult. The teachers and GLC's truly care about their students and demand that they grow as young adults. The drawback at DBHS is that only a small number of parents go out of their way to give positive support to the programs at the school.

- submitted by a parent
no rating September 21, 2003
Diamond Bar High School is by far the worst school to have ever existed. Despite several highly-qualified faculty members, it must be immediately shut down and banished as an educational center. On a scale of 1 to 10, I'd rate it a simple ZERO! I can't wait until the glorious day when its shut down!!!!

- submitted by a parent
September 09, 2003
I have had two students graduate and currently have a junior attending. I drive from another district to have my children go to DBHS. My children have recieve an outstanding education along with the opportunity to be invovled in many extra-curricular activities. There are no limitations on what are children can do.

- submitted by a community member
September 01, 2003
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- submitted by a parent
August 26, 2003
One of my children attended this school and another is on her way. I would not put them in another school. The curriculum and staff are above average and my kids have had very high SAT scores. Parent-teacher involvement is very important and I wish that we as parent be invited more often to participate in general activities not necessarily related to sports. The office staff is not very welcoming though and come accross rude too often. Attendance and registration are the worst so far, from my experience. Maybe they are overworked and need some more assistance. A nice smile and kinder body language would help a lot.

- submitted by a parent
August 26, 2003
I currently go to Diamond Bar High School, there are way too many students, in a school that is too small. In a classroom built for 25 students there are 35+. The school academically and athletically is wonderful, but the classroom are much too small, it is horrible. Diamond Bar High needs tp build more buildings or limit the amount of students it lets attend the school.

- submitted by a community member
August 26, 2003
[The] comments made by a parent exaggerate the weaknesses of the school to a degree that the comments are considered false. Diamond Bar has a wonderful fine arts program, the marching band is outstanding and definitely one of the best in California, they are academically motivated, and their sports program is one of the finest in Southern California. Diamond Bar is the place to start to make your dreams come true.

- submitted by a parent
August 19, 2003
My daughter, a former student, now teaches here. It's a great school with supportive staff and the students enjoy a strong reputation.

- submitted by a parent
August 10, 2003
Wonderful fine arts program especially the dance program and dance dept. Hard to find schools in this day and age that still feel the fine arts are an important part of a balanced eduacation.

- submitted by a community member
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Diamond Bar High School
21400 Pathfinder Road, Diamond Bar, CA  91765
(909) 594-1405
Last modified Diamond Bar High School is a Public school that serves grades 9-12. It has received a GreatSchools rating of 9 out of 10 based on academic quality.
Diamond Bar High School Rating: 4 out of 5 based on 73 reviews. Top