San Marino High
🇺🇸 Official data · 2025San Marino, California 91108 · San Marino Unified
#16 of 1,343 high schools in California
#1082 of 16,910 nationally
About San Marino High
San Marino High is a public high located in San Marino, in the San Marino Unified school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 886 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 81.3 out of 100, placing it in the top 10% of high schools in United States and 16th of 1,343 ranked high schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (97th percentile), and its weakest is students per teacher (15th percentile).
Other published figures: enrollment 886.
There are 4 schools in San Marino; San Marino High ranks 4th of 4 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)85%
- Reading proficiency (30%)83%
- Community advantage (fewer free/reduced-price lunch) (25%)11.5%
- Students per teacher (15%)20.6
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 Marino High by the official sources.
- Enrollment
- 886
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 11.5%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 20.6
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 83%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 85%
- Share of tested students proficient or above (all students, all grades).
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Schools near San Marino High
Closest schools by straight-line distance, with their Success Index (US).
Carver Elementary
San Marino · Public elementary · Grades K–5
777 students · 861 m away
Wilson Elementary
San Gabriel · Public elementary · Grades K–5
379 students · 1.3 km away
Huntington Middle
San Marino · Public middle · Grades 6–8
709 students · 1.6 km away
Valentine Elementary
San Marino · Public elementary · Grades K–5
711 students · 1.8 km away
Hamilton Elementary
Pasadena · Public elementary · Grades K–5
510 students · 1.9 km away
Emperor Elementary
San Gabriel · Public elementary · Grades K–6
650 students · 2.1 km away
Washington Elementary
San Gabriel · Public elementary · Grades K–5
401 students · 2.1 km away
Coolidge Elementary
San Gabriel · Public elementary · Grades K–5
232 students · 2.2 km away
Willard Elementary
Pasadena · Public elementary · Grades K–5
394 students · 2.4 km away
Aveson Global Leadership Academy
Pasadena · Charter high · Grades 6–12
200 students · 2.4 km away
Similar schools
Public high schools in California with a comparable Enrollment.
John H. Glenn High
Norwalk · Public high · Grades 9–12
882 students
Sonora High
Sonora · Public high · Grades 9–12
880 students
Mesa Verde High
Citrus Heights · Public high · Grades 9–12
894 students
Ganesha High
Pomona · Public high · Grades 9–12
895 students
San Jose High
San Jose · Public high · Grades 9–12
874 students
Liberty Ranch High
Galt · Public high · Grades 9–12
899 students
Frequently asked questions
Is San Marino High a good school?
San Marino High has a Success Index (US) of 81.3 out of 100 (Top 10% of high schools in United States) and ranks #16 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 Marino High rank in California?
San Marino High ranks #16 of 1,343 high schools in California and #1082 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend San Marino High?
San Marino High had 886 students in 2025.
Is San Marino High a elementary school or a high school?
San Marino High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near San Marino High?
There are 10 schools within 15 km of San Marino High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.