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 9 public schools serving 8,799 students in San Mateo Union High School District. This district's average testing ranking is 10/10, which is in the top 10% of public schools in California.
Public Schools in San Mateo Union High School District have an average math proficiency score of 50% (versus the California public school average of 33%), and reading proficiency score of 76% (versus the 47% statewide average).
Minority enrollment is 76% of the student body (majority Hispanic), which is less than the California public school average of 80% (majority Hispanic).
San Mateo Union High School District, which is ranked #178 of all 1,930 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.
<麻豆果冻传媒 class='so-dt-title' id="students-by-ethinity">Students by Ethnicity:
Diversity Score
0.73
0.63
# American Indian Students
3 Students
25,834 Students
% American Indian Students
n/a
1%
# Asian Students
2,515 Students
706,211 Students
% Asian Students
29%
12%
# Hispanic Students
3,079 Students
3,270,518 Students
% Hispanic Students
35%
56%
# Black Students
60 Students
286,712 Students
% Black Students
1%
5%
# White Students
2,150 Students
1,179,835 Students
% White Students
24%
20%
# Hawaiian Students
154 Students
23,773 Students
% Hawaiian Students
2%
n/a
# Two or more races Students
822 Students
334,411 Students
% of Two or more races Students
9%
6%
<麻豆果冻传媒 class='so-dt-title' id="students-by-grade">Students by Grade:
# Students in PK Grade:
-
83
# Students in K Grade:
-
523,125
# Students in 1st Grade:
-
397,228
# Students in 2nd Grade:
-
415,060
# Students in 3rd Grade:
-
417,145
# Students in 4th Grade:
-
426,889
# Students in 5th Grade:
-
431,136
# Students in 6th Grade:
-
433,928
# Students in 7th Grade:
-
440,614
# Students in 8th Grade:
-
442,869
# Students in 9th Grade:
2,071
466,920
# Students in 10th Grade:
2,108
477,112
# Students in 11th Grade:
2,162
470,060
# Students in 12th Grade:
2,458
494,182
# Ungraded Students:
-
-
<麻豆果冻传媒 class="so-dt-title" id="district-revenue-and-spending">District Revenue and Spending
The revenue/student of $29,814 is higher than the state median of $19,942. 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 $18,366. The school district spending/student has stayed relatively flat over four school years.
How many schools belong to San Mateo Union High School District?
San Mateo Union High School District manages 9 public schools serving 8,799 students.
What is the rank of San Mateo Union High School District?
San Mateo Union High School District is ranked #178 out of 1,930 school districts in California (top 10%) based off of combined math and reading proficiency testing data for the 2021-2022 school year. This district ranks in the top 20% of California school districts for: Highest overall rank (Top 10%), Highest math proficiency (Top 20%), Highest reading/language arts proficiency (Top 5%), Highest science proficiency (Top 20%), Most diverse schools (Top 1%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in San Mateo Union High School District?
35% of San Mateo Union High School District students are Hispanic, 29% of students are Asian, 24% of students are White, 9% of students are Two or more races, 2% of students are Hawaiian, and 1% of students are Black.
What is the student/teacher ratio of San Mateo Union High School District?
San Mateo Union High School District has a student/teacher ratio of 19:1, which is lower than the California state average of 22:1.
What is San Mateo Union High School District's spending/student ratio?
The school district's spending/student of $26,074 is higher than the state median of $18,366. The school district spending/student has stayed relatively flat over four school years.
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Quick Stats (2025)
District size: 9 schools
Grades: 09-12
Enrollment: 8,799 students
Student:Teacher Ratio: 19:1
Minority Enrollment: 76%
Graduation Rate
: 92% (Top 30% in CA)
Overall District Rank
: Top 10%
Math Proficiency
: 49% (Top 20%)
Reading Proficiency
: 76% (Top 5%)
Science Proficiency
: 51% (Top 20%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education
