San Mateo High
🇺🇸 Official data · 2025San Mateo, California 94401 · San Mateo Union High
#228 of 1,343 high schools in California
#5518 of 16,910 nationally
About San Mateo High
San Mateo High is a public high located in San Mateo, in the San Mateo Union High school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 1,557 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 61.2 out of 100, placing it in the top 50% of high schools in United States and 228th of 1,343 ranked high schools in California. Its strongest component is reading proficiency (72th percentile), and its weakest is students per teacher (19th percentile).
Other published figures: enrollment 1,557.
There are 19 schools in San Mateo; San Mateo High ranks 8th of 19 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)50%
- Reading proficiency (30%)68%
- Community advantage (fewer free/reduced-price lunch) (25%)38.1%
- Students per teacher (15%)19.7
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 Mateo High by the official sources.
- Enrollment
- 1,557
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 38.1%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 19.7
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 68%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 50%
- Share of tested students proficient or above (all students, all grades).
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Schools near San Mateo High
Closest schools by straight-line distance, with their Success Index (US).
College Park Elementary
San Mateo · Public elementary · Grades K–5
431 students · 217 m away
Washington Elementary
Burlingame · Public elementary · Grades K–5
410 students · 1.0 km away
North Shoreview Montessori
San Mateo · Public elementary · Grades K–8
325 students · 1.2 km away
San Mateo Park Elementary
San Mateo · Public elementary · Grades K–5
340 students · 1.4 km away
Burlingame High
Burlingame · Public high · Grades 9–12
1,583 students · 1.6 km away
South Hillsborough
Hillsborough · Public elementary · Grades K–5
244 students · 1.8 km away
Sunnybrae Elementary
San Mateo · Public elementary · Grades K–5
346 students · 2.2 km away
McKinley Elementary
Burlingame · Public elementary · Grades K–5
541 students · 2.4 km away
LEAD Elementary
San Mateo · Public elementary · Grades K–5
349 students · 2.6 km away
Baywood Elementary
San Mateo · Public elementary · Grades K–5
489 students · 2.7 km away
Similar schools
Public high schools in California with a comparable Enrollment.
Barstow High
Barstow · Public high · Grades 9–12
1,558 students
Nevada Union High
Grass Valley · Public high · Grades 9–12
1,561 students
Santa Rosa High
Santa Rosa · Public high · Grades 9–12
1,553 students
Oakdale High
Oakdale · Public high · Grades 9–12
1,563 students
Southwest Senior High
San Diego · Public high · Grades 9–12
1,563 students
Andrew P. Hill High
San Jose · Public high · Grades 9–12
1,564 students
Frequently asked questions
Is San Mateo High a good school?
San Mateo High has a Success Index (US) of 61.2 out of 100 (Top 50% of high schools in United States) and ranks #228 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 Mateo High rank in California?
San Mateo High ranks #228 of 1,343 high schools in California and #5518 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend San Mateo High?
San Mateo High had 1,557 students in 2025.
Is San Mateo High a elementary school or a high school?
San Mateo High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near San Mateo High?
There are 10 schools within 15 km of San Mateo High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.