Mills High School is a public high school in Millbrae, California, one of eight in the San Mateo Union High School District. Mills was established in 1958. Mills High School has been named a California Distinguished School three times.
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
Year Founded
1958
Colors
Gold, Scarlet
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
School Notes
- School Mascot: Vikings
Profile last updated: 02/09/2025
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.
School Reviews
Review Mills High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Parents’ Guide to Special Education
Special education law is not easy to decipher, with several regulations that govern special education services for disabled students. In this article, learn about the core components of the laws, rights, and individual education plans that can help create the best public school environment for your child.
Surveillance Cameras: Violation of Rights or Improved Security?
A school district in Virginia has given the green light to schools that want to install surveillance cameras in common areas like cafeterias and hallways. We’ll look at whether this is a violation of student privacy or the best way to keep order in schools.
Teachers in 19 States Allowed to Physically Punish Students
As of 2014, nineteen states still allow corporal punishment – spanking and paddling the most common choices – in their public schools. However, some argue that not only are these punishments physically harmful, they also are disproportionately administered to students of color. As a result, House democrats have taken up the issue in a new bill that would ban all forms of corporal punishment nationwide.
