San Dimas High
🇺🇸 Official data · 2025San Dimas, California 91773 · Bonita Unified
#288 of 1,343 high schools in California
#6642 of 16,910 nationally
About San Dimas High
San Dimas High is a public high located in San Dimas, in the Bonita Unified school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 1,235 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 56.7 out of 100, placing it in the top 50% of high schools in United States and 288th of 1,343 ranked high schools in California. Its strongest component is reading proficiency (78th percentile), and its weakest is students per teacher (11th percentile).
Other published figures: enrollment 1,235.
There are 7 schools in San Dimas; San Dimas High ranks 6th of 7 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)37%
- Reading proficiency (30%)74%
- Community advantage (fewer free/reduced-price lunch) (25%)37.6%
- Students per teacher (15%)21.7
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for San Dimas High by the official sources.
- Enrollment
- 1,235
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 37.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 21.7
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 74%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 37%
- Share of tested students proficient or above (all students, all grades).
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Schools near San Dimas High
Closest schools by straight-line distance, with their Success Index (US).
Lone Hill Middle
San Dimas · Public middle · Grades 6–8
870 students · 254 m away
Glen Oak Elementary
Covina · Public elementary · Grades K–6
428 students · 1.8 km away
Gladstone Elementary
San Dimas · Public elementary · Grades K–5
518 students · 1.9 km away
Arma J. Shull Elementary
San Dimas · Public elementary · Grades K–5
633 students · 2.1 km away
Willow Elementary
Glendora · Public elementary · Grades K–6
388 students · 2.2 km away
Fred Ekstrand Elementary
San Dimas · Public elementary · Grades K–5
475 students · 2.6 km away
Badillo Elementary
Covina · Public elementary · Grades K–6
442 students · 2.9 km away
Sutherland Elementary
Glendora · Public elementary · Grades K–5
488 students · 3.1 km away
Charter Oak High
Covina · Public high · Grades 9–12
1,259 students · 3.3 km away
Cedargrove Elementary
Covina · Public elementary · Grades K–6
569 students · 3.6 km away
Similar schools
Public high schools in California with a comparable Enrollment.
El Segundo High
El Segundo · Public high · Grades 9–12
1,232 students
Balboa High
San Francisco · Public high · Grades 9–12
1,238 students
South San Francisco High
South San Francisco · Public high · Grades 9–12
1,239 students
Mission Bay High
San Diego · Public high · Grades 9–12
1,240 students
Robert Fulton College Preparatory
Van Nuys · Public high · Grades 6–12
1,229 students
El Camino Fundamental High
Sacramento · Public high · Grades 9–12
1,226 students
Frequently asked questions
Is San Dimas High a good school?
San Dimas High has a Success Index (US) of 56.7 out of 100 (Top 50% of high schools in United States) and ranks #288 of 1,343 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does San Dimas High rank in California?
San Dimas High ranks #288 of 1,343 high schools in California and #6642 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend San Dimas High?
San Dimas High had 1,235 students in 2025.
Is San Dimas High a elementary school or a high school?
San Dimas High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near San Dimas High?
There are 10 schools within 15 km of San Dimas High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.