Best high schools in Pomona Unified (2025)
Schools classified as high schools by NCES. Ranked by the Success Index (US) from official American data; 5 schools in Pomona Unified, California. Rank positions shown on each profile are within United States and California.
- 143Diamond Ranch HighPomona · Public High36% Math proficiency · 1,542 students
- 221Pomona HighPomona · Public High17% Math proficiency · 993 students
- 318Ganesha HighPomona · Public High11% Math proficiency · 895 students
- 418Garey HighPomona · Public High17% Math proficiency · 1,567 students
- 516Fremont Academy of Engineering and DesignPomona · Public High14% Math proficiency · 597 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Diamond Ranch High Pomona · High · Grades 9–12 | Public | 42.6 Lower 50% | 36% Math proficiency | 1,542 |
| 2 | Pomona High Pomona · High · Grades 9–12 | Public | 21.1 Lower 50% | 17% Math proficiency | 993 |
| 3 | Ganesha High Pomona · High · Grades 9–12 | Public | 17.9 Lower 50% | 11% Math proficiency | 895 |
| 4 | Garey High Pomona · High · Grades 9–12 | Public | 17.8 Lower 50% | 17% Math proficiency | 1,567 |
| 5 | Fremont Academy of Engineering and Design Pomona · High · Grades 7–12 | Public | 15.7 Lower 50% | 14% Math proficiency | 597 |
Diamond Ranch High in Pomona leads the 2025 list of high schools in Pomona Unified with a Success Index (US) of 42.6. Of the 5 schools shown, 5 are public.
For the full picture see the wider California high schools rankings, every school on the Pomona Unified page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best high school in Pomona Unified?
Diamond Ranch High in Pomona, California ranks first among high schools in Pomona Unified with a Success Index (US) of 42.6 out of 100 (Enrollment: 1,542).
How are high schools in Pomona Unified ranked?
Each school's Success Index (US) combines 4 factors: math proficiency (30%), reading proficiency (30%), community advantage (fewer free/reduced-price lunch) (25%), students per teacher (15%). Each factor is a percentile against schools of the same type across United States. Schools with fewer than 60 students are excluded from rankings.
Are these 2025 rankings official?
No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.