Average
#3764 of 9,539 schools in CA
Top 39% in state
Diamond Ranch High
High School · Pomona Unified · Pomona, CA
A Pomona Unified high school where students score 16 points above what's typical for similar communities.
100 Diamond Ranch Dr., Pomona, CA 91766
- Math 26% vs CA 32% (2024)
- Reading 66% vs CA 52% (2024)
- 97.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
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Students at Diamond Ranch High score 46% proficient, which is above what's typical for similar communities (expected: 30%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
→ SteadyProficiency is down 23 points across the 16-year record (2009–2024) and has held near 46% recently.
Show all 12 years
Multi-year averages used by the rating model: math 44% (multi-year average, 2009-2024) · reading/ELA 68% (multi-year average, 2009-2024)
Based on 26 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
79.3%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Diamond Ranch High sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Los Angeles map →
Getting around & local context
- Walk 6Car-Dependent
- Bike 4Somewhat Bikeable
- City Safety: High3,489/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Pomona), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$77,699
Median home value
$568,300
Median rent
$1,776/mo
College educated
19.9%
Homeownership
53.4%
Poverty rate
12.8%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91766; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Guide AcademyPrivate · tuition | 5.9private | PK–9 | 1.1 mi | 38 | Compare → |
| Fremont Academy of Engineering and DesignEnrollment path unverified | 7.0 | 7–12 | 1.8 mi | 631 | Compare → |
| Garey HighEnrollment path unverified | 6.4 | 9–12 | 1.8 mi | 1,604 | Compare → |
| Oak Crest Academy - PomonaPrivate · tuition | Not rated | K–12 | 1.8 mi | 19 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Pomona Unified
- Schools in district
- 37
- Rank in district
- #11 of 36
- District spending per student
- $20,301NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 17.4%Census SAIPE · 2024
Diamond Ranch High is listed in Pomona Unified; a district label does not verify attendance for an address.
About Diamond Ranch High
Diamond Ranch High is a public high school in Pomona, CA, part of Pomona Unified, serving approximately 1,567 students in grades 9th-12th with a 23:1 student-teacher ratio. It holds a MySchoolScout rating of 6.9 out of 10 and ranks #3,764 of 9,539 schools in CA. State assessment records show 44% math proficiency (multi-year average, 2009-2024) and 68% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Diamond Ranch High
What grades does Diamond Ranch High serve?
Diamond Ranch High serves students in grades 9th through 12th.
How many students attend Diamond Ranch High?
Diamond Ranch High has an enrollment of approximately 1,567 students.
What is the student-teacher ratio at Diamond Ranch High?
The student-teacher ratio at Diamond Ranch High is 23:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Diamond Ranch High rank in CA?
Diamond Ranch High ranks #3,764 of 9,539 schools in CA.
What is Diamond Ranch High's MySchoolScout rating?
Diamond Ranch High has a current MySchoolScout rating of 6.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Diamond Ranch High?
Based on loaded state assessment records, Diamond Ranch High has 44% math proficiency (multi-year average, 2009-2024) and 68% reading/ELA proficiency (multi-year average, 2009-2024).
Is Diamond Ranch High a charter school?
No, Diamond Ranch High is not a charter school. It is a traditional public school operated by the local school district.
Is Diamond Ranch High a Title I school?
No, Diamond Ranch High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Diamond Ranch High?
79.3% of students at Diamond Ranch High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 1,567
- Student-Teacher Ratio
- 23:1
- Teachers (FTE)
- 68
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Chronic Absenteeism (SY 2022-23)
- 25.0%
- Phone
- (909) 397-4715
- 4-Year Graduation
- 97.0%
- Area population (ZIP 91766)
- 68,673
- Area average commute
- 31.2 min
- Area median age
- 34.9
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 91766; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
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