Top Rankings
San Mateo Union High School District ranks among the top 20% of public school district in California for:
Category
Attribute
Overall Rank
Highest overall rank (Top 10%)
Math Proficiency
Highest math proficiency (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 5%)
Science Proficiency
Highest science proficiency (Top 20%)
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 school year, there are 8 public high schools serving 8,799 students in San Mateo Union High School District. This district's average high testing ranking is 10/10, which is in the top 10% of public high schools in California.
Public High Schools in San Mateo Union High School District have an average math proficiency score of 50% (versus the California public high school average of 28%), and reading proficiency score of 76% (versus the 51% statewide average).
Public High School in San Mateo Union High School District have a Graduation Rate of 92%, which is more than the California average of 87%.
The school with highest graduation rate is Aragon High School, with 98% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 76% of the student body (majority Hispanic), which is less than the California public high school average of 79% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
9 Schools
2,817 Schools
# Students
8,799 Students
2,139,525 Students
# Teachers
457 Teachers
100,737 Teachers
Student : Teacher Ratio
19:1
19:1
District Rank
San Mateo Union High School District, which is ranked #178 of all 1,925 school districts in California (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 92% has increased from 90% over five school years.
Overall District Rank
#185 out of 1941 school districts
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
49%
33%
Reading/Language Arts Test Scores (% Proficient)
76%
47%
Science Test Scores (% Proficient)
51%
29%
Graduation Rate
92%
87%
Students by Ethnicity:
Diversity Score
0.73
0.63
# American Indian Students
3 Students
10,468 Students
% American Indian Students
n/a
1%
# Asian Students
2,515 Students
244,247 Students
% Asian Students
29%
11%
# Hispanic Students
3,079 Students
1,190,384 Students
% Hispanic Students
35%
56%
# Black Students
60 Students
110,575 Students
% Black Students
1%
5%
# White Students
2,150 Students
458,887 Students
% White Students
24%
22%
# Hawaiian Students
154 Students
9,060 Students
% Hawaiian Students
2%
n/a
# Two or more races Students
822 Students
108,483 Students
% of Two or more races Students
9%
5%
Students by Grade:
# Students in PK Grade:
-
18
# Students in K Grade:
-
25,126
# Students in 1st Grade:
-
19,346
# Students in 2nd Grade:
-
19,826
# Students in 3rd Grade:
-
19,554
# Students in 4th Grade:
-
19,798
# Students in 5th Grade:
-
20,237
# Students in 6th Grade:
-
29,089
# Students in 7th Grade:
-
39,371
# Students in 8th Grade:
-
41,955
# Students in 9th Grade:
2,071
466,491
# Students in 10th Grade:
2,108
476,582
# Students in 11th Grade:
2,162
469,509
# Students in 12th Grade:
2,458
492,623
# Ungraded Students:
-
-
District Revenue and Spending
The revenue/student of $29,814 is higher than the state median of $19,974. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $26,074 is higher than the state median of $18,396. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$262 MM
$116,387 MM
Spending
$229 MM
$107,188 MM
Revenue / Student
$29,814
$19,974
Spending / Student
$26,074
$18,396
Best San Mateo Union High School District Public High Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Mills High School
(Math: 70-74% | Reading: 80-84%)
Rank:
Rank:
10/
Top 5%10
400 Murchison Dr.
Millbrae, CA 94030
(650) 558-2599
Millbrae, CA 94030
(650) 558-2599
Grades: 9-12
| 1,119 students
Rank: #22.
Aragon High School
(Math: 63% | Reading: 86%)
Rank:
Rank:
10/
Top 10%10
900 Alameda De Las Pulgas
San Mateo, CA 94402
(650) 558-2999
San Mateo, CA 94402
(650) 558-2999
Grades: 9-12
| 1,686 students
Rank: #33.
Burlingame High School
(Math: 61% | Reading: 85%)
Rank:
Rank:
10/
Top 10%10
1 Mangini Way
Burlingame, CA 94010
(650) 558-2899
Burlingame, CA 94010
(650) 558-2899
Grades: 9-12
| 1,540 students
Rank: #44.
Hillsdale High School
(Math: 44% | Reading: 71%)
Rank:
Rank:
9/
Top 20%10
3115 Del Monte St.
San Mateo, CA 94403
(650) 558-2699
San Mateo, CA 94403
(650) 558-2699
Grades: 9-12
| 1,581 students
Rank: #55.
San Mateo High School
(Math: 45% | Reading: 68%)
Rank:
Rank:
9/
Top 20%10
506 North Delaware St.
San Mateo, CA 94401
(650) 558-2399
San Mateo, CA 94401
(650) 558-2399
Grades: 9-12
| 1,578 students
Rank: #66.
Capuchino High School
(Math: 26% | Reading: 68%)
Rank:
Rank:
7/
Top 50%10
1501 Magnolia Ave.
San Bruno, CA 94066
(650) 558-2799
San Bruno, CA 94066
(650) 558-2799
Grades: 9-12
| 1,108 students
Rank: #77.
Peninsula High (Continuation School)
Alternative School
(Math: ≤10% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
860 Hinckley Rd.
Burlingame, CA 94010
(650) 558-2402
Burlingame, CA 94010
(650) 558-2402
Grades: 9-12
| 186 students
Rank: #88.
Peninsula High School
Alternative School
(Math: ≤10% | Reading: 11-19% )
Rank:
Rank:
1/
Bottom 50%10
860 Hinckley Rd.
Burlingame, CA 94010
(650) 558-2499
Burlingame, CA 94010
(650) 558-2499
Grades: 9-12
| 1 students
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