Mills High


Student Enrollment
Best High School in California
 Rating 10 out of 10
Grades 9 to 12th grade
School District San Mateo Union High
Type Public
 Phone (650)558-2599
 Location 400 Murchison Dr.
Millbrae, CA 94030
Charter School No

Mills High has an academic rating significantly above the average for California high schools based on its high test performance and high AP course participation. It is ranked 31st in the best public high schools in California.



The Mills High student body is mainly Asian Pacific with a smaller Hispanic population and has high racial diversity.

Race Percent Students
Asian Pacific60%728
Native American Indian0.2%2
Hawaiian Pacific Inlander2%24
Two or more races5.7%69

Family Income

vs. other California high schools
Upper 8.1%

10.5% percent of the school's students are eligible for free lunch under the National School Lunch Program compared to the California high school median of 48.5%. By this measure, Mills High students are largely wealthy and rank 102nd in California for high school student family income.

Enrollment by Grade

Grade Students


State Standardized Test Performance

10 out of 10

Rank: 39th in California

Students at Mills High scored an average 78% of students proficient for math and reading as tested by the California Department of Education. Performance is significantly above the state high school median of 42% proficiency and places the school's test performance in the top 4.1% of California high schools.

Test Proficiency By Gender

Gender Math Proficient Reading Proficient
Girls70% to 74%*85% to 89%*
Boys65% to 69%*80% to 84%*

State Test Proficiency by Subgroup

Subgroup Math Proficient Reading Proficient
American Indiansuppressed*suppressed*
Asian & Pacific Islander75% to 79%*85% to 89%*
Hispanic40% to 49%*60% to 69%*
Multiracial60% to 79%*80% or more*
White60% to 69%*70% to 79%*
With Disabilitesless than 50%*less than 50%*
Limited Englishless than 50%*less than 50%*

*Indicates statistic has been anonymized to protect student privacy.

College Admission Test Scoring

Average SAT Score

The average SAT score for Mills High students in 2016 was 1241.

College Admission Test Participation

10 out of 10

Rank: 29th in California

542 out of 603 junior and senior of students took either the ACT or SAT test (90%). College admission testing participation is significantly above the California median rate of 29% and in the top 4% for participation.

AP Course and Test Performance

8 out of 10

Rank: 123rd in California

Mills High offers 14 AP courses. 32 percent of grade nine through twelve students are enrolled in at least one AP class. The AP participation rate is in the 82% percentile and well above the median AP enrollment rate for all California schools of 21%. Mills High had 289 taking AP exams with a 239 passing at least one exam. The AP pass rate is in the 86% percentile and well above the state median of 55 percent.

School State
AP Test Pass Rate 83% 55%
Students enrolled in an AP class 32% 21%
AP Math Enrollment Rate 17%
AP Science Enrollment Rate 18%
AP Other Enrollment Rate 19%
AP Courses Offered 14

Learning Environment

Absenteeism Rate

School State
Overall Chronic Absenteeism Rate0%14%
Female Chronic Absenteeism Rate0%
Male Chronic Absenteeism Rate0%

Safety and Discipline

Police Referral Rate

Group Percent Referrals
All Students0.5%6
California Median0%

Police Arrest Rate

Group Percent Arrests
All Students0.5%6

Expulsion Rate

Group Percent Expulsions
All Students0%0
California Median0%

In-School Suspension Rate

Group Percent Suspensions
All Students0.5%6
California Median0.3%

Out-of-School Suspension Rate

Group Percent Suspensions
All Students1.8%22


Mills High
400 Murchison Dr.
Millbrae, CA

10 out of 10 1


San Mateo Union High
San Mateo, CA