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Best Schools in Diamond Bar, CA
Diamond Bar, CA has 28 public schools (5 high, 4 middle, 18 elementary) serving 18,702 students. On average they score 54% on state proficiency tests against a projected 46%, so schools in Diamond Bar greatly exceed expectations. Rankings below compare each school’s actual results with the projection for its socioeconomic context.
Best High Schools in Diamond Bar, CA
The top high schools in Diamond Bar, ranked by actual test performance against the projection for each school’s socioeconomic context.
1. Walnut High
SchoolGrade
Actual Test Scores
Projected Test Scores
Walnut Valley Unified • Public • Grades 9 - 12 • 2158 Students
2. Diamond Bar High
SchoolGrade
Actual Test Scores
Projected Test Scores
Walnut Valley Unified • Public • Grades 9 - 12 • 2557 Students
3. John A. Rowland High
SchoolGrade
Actual Test Scores
Projected Test Scores
Rowland Unified • Public • Grades 9 - 12 • 2025 Students
4. Diamond Ranch High
SchoolGrade
Actual Test Scores
Projected Test Scores
Pomona Unified • Public • Grades 9 - 12 • 1547 Students
5. Ganesha High
SchoolGrade
Actual Test Scores
Projected Test Scores
Pomona Unified • Public • Grades 9 - 12 • 936 Students
Best Middle Schools in Diamond Bar, CA
The top middle schools in Diamond Bar, ranked by actual test performance against the projection for each school’s socioeconomic context.
1. Chaparral Middle
SchoolGrade
Actual Test Scores
Projected Test Scores
Walnut Valley Unified • Public • Grades 6 - 8 • 1133 Students
2. South Pointe Middle
SchoolGrade
Actual Test Scores
Projected Test Scores
Walnut Valley Unified • Public • Grades 6 - 8 • 879 Students
3. Lorbeer Middle
SchoolGrade
Actual Test Scores
Projected Test Scores
Pomona Unified • Public • Grades 7 - 8 • 623 Students
4. Marshall Middle
SchoolGrade
Actual Test Scores
Projected Test Scores
Pomona Unified • Public • Grades 6 - 8 • 440 Students
Best Elementary Schools in Diamond Bar, CA
The top elementary schools in Diamond Bar, ranked by actual test performance against the projection for each school’s socioeconomic context.
1. Maple Hill Elementary
SchoolGrade
Actual Test Scores
Projected Test Scores
Walnut Valley Unified • Public • Grades KG - 5 • 562 Students
2. Quail Summit Elementary
SchoolGrade
Actual Test Scores
Projected Test Scores
Walnut Valley Unified • Public • Grades KG - 5 • 665 Students
3. Pantera Elementary
SchoolGrade
Actual Test Scores
Projected Test Scores
Pomona Unified • Public • Grades KG - 6 • 466 Students
4. Walnut Elementary
SchoolGrade
Actual Test Scores
Projected Test Scores
Walnut Valley Unified • Public • Grades KG - 5 • 671 Students
5. Evergreen Elementary
SchoolGrade
Actual Test Scores
Projected Test Scores
Walnut Valley Unified • Public • Grades KG - 5 • 719 Students
6. Castle Rock Elementary
SchoolGrade
Actual Test Scores
Projected Test Scores
Walnut Valley Unified • Public • Grades KG - 5 • 646 Students
7. Ybarra Academy For The Arts And Technology
SchoolGrade
Actual Test Scores
Projected Test Scores
Rowland Unified • Public • Grades KG - 8 • 596 Students
8. Golden Springs Elementary
SchoolGrade
Actual Test Scores
Projected Test Scores
Pomona Unified • Public • Grades KG - 6 • 413 Students
9. Ranch Hills Elementary
SchoolGrade
Actual Test Scores
Projected Test Scores
Pomona Unified • Public • Grades KG - 6 • 423 Students
10. Armstrong Elementary
SchoolGrade
Actual Test Scores
Projected Test Scores
Pomona Unified • Public • Grades KG - 6 • 257 Students
Education & Community Snapshot in Diamond Bar, CA
City-level factors that shape the learning environment around local schools.
Community Factors
Diamond Bar, CA has a total population of 54,709 with 26% of that population attending schools. The adult high school graduation rate is 93%, and 53% of adults have a bachelor’s degree or higher.
Students in Diamond Bar, CA
K-12 Students
High School Graduates
Adults 25+ with HS diplomas
College Graduates
Adults 25+ with a Bachelor’s degree or higher
Demographics statistics provided by Best Neighborhood Diamond Bar, CA.
Safety
Crime Grades summarize reported incidents per 1,000 residents. Use them as neighborhood context, not a school rating.
Overall Crime Grade
21.55 per 1,000 Residents
Violent Crime Grade
3.36 per 1,000 Residents
Property Crime Grade
18.19 per 1,000 Residents
Crime statistics provided by CrimeGrade in Diamond Bar, CA.
Connectivity
Connectivity influences learning at home. We summarize internet infrastructure, typical download speed, and a digital connectivity index for Diamond Bar, CA.
ISP Report Card
Internet Infrastructure Grade
Average Download Speed
Speed Most Residents Can Get
Digital Connectivity Index
ISP Connectivity Demand Report
To read more about these statistics, please visit Diamond Bar, CA Internet Health Assessment.
Questions About Schools in Diamond Bar, CA
How many schools are in Diamond Bar, CA?
Diamond Bar, CA has 28 public schools: 5 high schools, 4 middle schools and 18 elementary schools, serving 18,702 students in total.
How do schools in Diamond Bar perform on state tests?
On average, 28 schools in Diamond Bar score 54% proficient on state assessments. Given the socioeconomic context of their students we project 46%, so on average schools in Diamond Bar greatly exceed expectations.
How does SchoolGrade rank the best schools in Diamond Bar?
Every public school gets a SchoolGrade from A+ to F based on the share of students at or above the state proficiency bar. The Impact Grade compares that result with what we would expect given the school’s student and community context, so schools that outperform their circumstances stand out. Schools cannot pay to change a grade. Read the full methodology.
Best Schools in Cities Near Diamond Bar, CA
Explore nearby cities to widen your school search.
- Actual: 47%
- Projected: 44%
- Impact Grade: Exceeds Expectations
- Actual: 48%
- Projected: 43%
- Impact Grade: Exceeds Expectations
- Actual: 24%
- Projected: 26%
- Impact Grade: Doesn't Meet Expectations
- Actual: 34%
- Projected: 27%
- Impact Grade: Greatly Exceeds Expectations
- Actual: 54%
- Projected: 44%
- Impact Grade: Greatly Exceeds Expectations
- Actual: 36%
- Projected: 31%
- Impact Grade: Exceeds Expectations
- Actual: 56%
- Projected: 49%
- Impact Grade: Exceeds Expectations
- Actual: 39%
- Projected: 33%
- Impact Grade: Exceeds Expectations
- Actual: 45%
- Projected: 38%
- Impact Grade: Greatly Exceeds Expectations
- Actual: 34%
- Projected: 28%
- Impact Grade: Exceeds Expectations
Every school in Diamond Bar
10 of 10 schools in Diamond Bar carry a SchoolGrade. Grade distribution:
A: 7B: 2C: 1
All 10 public schools we grade in Diamond Bar. The ranked lists above show the top ten per level; every school has its own page.
High schools (1)
Middle and junior high schools (2)
Elementary and primary schools (7)
- Armstrong Elementary
- Castle Rock Elementary
- Evergreen Elementary
- Golden Springs Elementary
- Maple Hill Elementary
- Pantera Elementary
- Quail Summit Elementary
Private schools (7)
Private schools have a SchoolGrade only where their state publishes their test results.
- Diamond Bar Montessori Academy
- Guide Academy
- Landmark Christian Preschool
- Mt Calvary Lutheran School
- St Christopher-joseph-aquinas Academic Academy
- Village Montessori Academy
- Village Montessori Academy