Serving 1,119 students in grades 9-12, Mills High School ranks in the top 5% of all schools in California for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 70-74% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 80-84% (which is higher than the California state average of 47%).
The student:teacher ratio of 20:1 is lower than the California state level of 21:1.
Minority enrollment is 88% of the student body (majority Asian), which is higher than the California state average of 80% (majority Hispanic and Asian).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,119 students
- Student:Teacher Ratio: 20:1
- Minority Enrollment: 88%
- Graduation Rate: 98% (Top 5% in CA)
- Overall Testing Rank: Top 5%
- Math Proficiency: 70-74% (Top 10%)
- Reading Proficiency: 80-84% (Top 5%)
- Science Proficiency: 75-79% (Top 1%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Mills High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Mills High School's student population of 1,119 students has declined by 5% over five school years.
The teacher population of 57 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
1,119 students
Gender %
Total Classroom Teachers
57 teachers
Students by Grade
School Rankings
Mills High School ranks within the top 5% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Mills High School is 0.60, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#382 out of 9602 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
70-74%
33%
Reading/Language Arts Test Scores (% Proficient)
80-84%
47%
Science Test Scores (% Proficient)
75-79%
29%
Student : Teacher Ratio
20:1
21:1
American Indian
n/a
1%
Asian
59%
12%
Hispanic
19%
56%
Black
n/a
5%
White
12%
20%
Hawaiian
1%
n/a
Two or more races
9%
6%
All Ethnic Groups
Graduation Rate
98%
87%
Eligible for Free Lunch
17%
54%
Eligible for Reduced Lunch
2%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Mills High School's ranking?
Mills High School is ranked #382 out of 9,602 schools, which ranks it among the top 5% of public schools in California.
What schools are Mills High School often compared to?
Mills High Schoolis often viewed alongside schools like Burlingame High School, Capuchino High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
70-74% of students have achieved math proficiency (compared to the 33% CA state average), while 80-84% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Mills High School?
The graduation rate of Mills High School is 98%, which is higher than the California state average of 87%.
How many students attend Mills High School?
1,119 students attend Mills High School.
What is the racial composition of the student body?
59% of Mills High School students are Asian, 19% of students are Hispanic, 12% of students are White, 9% of students are Two or more races, and 1% of students are Hawaiian.
What is the student:teacher ratio of Mills High School?
Mills High School has a student ration of 20:1, which is lower than the California state average of 21:1.
What grades does Mills High School offer ?
Mills High School offers enrollment in grades 9-12
What school district is Mills High School part of?
Mills High School is part of San Mateo Union High School District.
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