San Mateo High

High school·Grades 9-12 San Mateo, California·94401
Score
79.0/100
Compare San Mateo High with another school
#363
Among 1,729 California high schools
#5
In San Mateo Union High
#3
In San Mateo
Top 21%
In California

Score 79.0/100: better than 79% of California high schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

% met or exceeded standard on state tests in California, all students. Colored bars are green when the school is at or above the average for similar California schools.

English language arts
63%
Similar California schools ≈ 57%, better than 70% of them
297 students tested
Math
44%
Similar California schools ≈ 31%, better than 84% of them
289 students tested
Science
43%
Similar California schools ≈ 33%, better than 80% of them
304 students tested
All California schools (ELA / math)
49% / 37%
State average across every school type, 2024-25
All 8 published results by grade and test

As published by California Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 11Smarter Balanced ELA63.3297
English language artsAll gradesSmarter Balanced ELA63.3297
MathGrade 11Smarter Balanced Math44.3289
MathAll gradesSmarter Balanced Math44.3289
ScienceGrade 12CAST43.4304
ScienceGrade 14CAST43.4304
ScienceAll gradesCAST43.4304
ScienceGrade 99CAST43.4304

School profile

Grades
9-12
Students
1,578
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
1,578
Typical high school: 434
Free or reduced-price lunch
38%
Typical high school: 70%

District and location

School district
City
San Mateo County

Contact

Address
506 North Delaware St.
San Mateo, CA 94401

"Typical" is the middle (median) high school in California. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby high schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

San Mateo High at a glance

San Mateo High is a public high school in San Mateo, California, serving grades 9-12. It is part of the San Mateo Union High school district. It has about 1,578 students (a typical California high school has 434). About 38% of students are eligible for free or reduced-price lunch, compared with 70% at a typical California high school, which is useful context when reading test results.

In 2024-25 state tests, 63% in English language arts (similar schools: 57%) and 44% in math (similar schools: 31%) reached the state standard (% met or exceeded standard). On our score, which compares it only with other California high schools, it scores 79.0 out of 100: better than 79% of them, ranking #363 of 1,729. Its English language arts result fell by 3 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

Compare San Mateo High with another school

Page updated 2026-10-12.