Very Good
#1813 of 9,539 schools in CA
Top 19% in state
Mills High
High School · San Mateo Union High
400 Murchison Dr., Millbrae, CA 94030
Enrollment
1,119
Student-Teacher
19.6:1
Score
7.9
Grades
9th – 12th
Enrollment
1,119
Student-Teacher
19.6:1
Score
7.9
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#1,813 of 9,539
In Millbrae
#3 of 5
public schools
In district
#3 of 7
San Mateo Union High
School environment
9.6 / 10
Excellent
Shortlisting around Mills High?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
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Mills High
High School in Millbrae · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Spring Valley Elementary
0.2 mi away. Use as a geographic alternative in the same move search.
Franklin Elementary
0.4 mi away. Use as a geographic alternative in the same move search.
About Mills High
Mills High is a public high school in Millbrae, CA, part of San Mateo Union High. Mills High serves approximately 1,119 students, and covers grades 9th-12th, and has a 19.6:1 student-teacher ratio. Mills High has a current MySchoolScout rating of 7.9 out of 10 and ranks #1,813 of 9,539 schools in CA.
Structured state assessment records for Mills High show 74% math proficiency (multi-year average, 2009-2024) and 80% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 7.9 · Very Good
- District avg 7.3
- CA avg 6.5
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Mills High — Students at Mills High score 66% proficient, which is above what's typical for similar communities (expected: 65%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
17.1%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 26 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.6/10.
How Mills High Compares
See how Mills High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
400 Murchison Dr., Millbrae, CA 94030
Nearby Alternatives
Families considering Mills High may also want to explore other high schools in the area. Capuchino High (rated 6.6/10, 1.4 miles away, in nearby San Bruno), a more accessible option. Another option is MERCY HIGH SCHOOL (rated 5.8/10, 0.9 miles away, in nearby Burlingame), a more accessible option. Additionally, Peninsula High (Continuation) (rated 5.3/10, 1.2 miles away, in nearby Burlingame), a more accessible option. For more schools in Millbrae, see our Millbrae schools guide .
Nearby Schools
20 within 1.5 mi| School | Distance | Rating |
|---|---|---|
| Spring Valley Elementary Millbrae | 0.2 mi | 7.8 |
| Franklin Elementary Burlingame | 0.4 mi | 8.2 |
| Burlingame Intermediate Burlingame | 0.5 mi | 8.6 |
| Taylor Middle Millbrae | 0.6 mi | 7.3 |
| Lincoln Elementary Burlingame | 0.8 mi | 8.2 |
| MERCY HIGH SCHOOL Burlingame | 0.9 mi | 5.8 |
| Mercy High Burlingame | 1.0 mi | — |
| St. Dunstan School Millbrae | 1.0 mi | — |
| ST DUNSTAN CATHOLIC SCHOOL Millbrae | 1.0 mi | 7.7 |
| Green Hills Elementary Millbrae | 1.1 mi | 8.4 |
| Hoover Elementary Burlingame | 1.3 mi | 8.5 |
| OUR LADY OF ANGELS SCHOOL Burlingame | 1.2 mi | 4.6 |
| Lomita Park Elementary San Bruno | 1.3 mi | 3.7 |
| OUR LADY OF ANGELS SCHOOL Burlingame | 1.2 mi | 5.0 |
| Sical home school San Bruno | 1.4 mi | — |
| Peninsula High (Continuation) Burlingame | 1.2 mi | 5.3 |
| Capuchino High San Bruno | 1.4 mi | 6.6 |
| THE AVALON ACADEMY Burlingame | 1.3 mi | — |
| Roosevelt Elementary Burlingame | 1.5 mi | 7.9 |
| GLEN OAKS MONTESSORI SCHOOL Millbrae | 1.5 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94030 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$157,567
Median Home Value
$1,929,700
Median Rent
$3,401/mo
Population
22,589
College Educated
50.5%
Homeownership
63.2%
Avg Commute
28.8 min
Poverty Rate
6.1%
Median Age
45.3
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Benjamin Franklin Senior High Los Angeles, CA | 7.9 |
| Edward R. Roybal Learning Center Los Angeles, CA | 7.9 |
| Leland High San Jose, CA | 7.9 |
| Morro Bay High Morro Bay, CA | 7.9 |
| PUC Comm Charter Mid and PUC Comm Charter Early College High Burbank, CA | 7.9 |
| PUC Triumph Charter Academy and PUC Triumph Charter High Burbank, CA | 7.9 |
Frequently Asked Questions
Common questions about Mills High
What grades does Mills High serve?
Mills High serves students in grades 9th through 12th.
How many students attend Mills High?
Mills High has an enrollment of approximately 1,119 students.
What is the student-teacher ratio at Mills High?
The student-teacher ratio at Mills High is 19.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mills High rank in CA?
Mills High ranks #1,813 of 9,539 schools in CA.
What is Mills High's MySchoolScout rating?
Mills High has a current MySchoolScout rating of 7.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Mills High?
Based on loaded state assessment records, Mills High has 74% math proficiency (multi-year average, 2009-2024) and 80% reading/ELA proficiency (multi-year average, 2009-2024).
Is Mills High a charter school?
No, Mills High is not a charter school. It is a traditional public school operated by the local school district.
Is Mills High a Title I school?
No, Mills High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mills High?
17.1% of students at Mills High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,119
- Student-Teacher Ratio
- 19.6:1
- Teachers (FTE)
- 57
- Free/Reduced Lunch
- 17.1%
- Type
- regular
- Setting
- Large Suburb
- County
- San Mateo County
- Chronic Absenteeism (SY 2022-23)
- 9.6%
- Phone
- (650) 558-2599
- 4-Year Graduation
- 97.0%
Resources & Links
District
San Mateo Union High- District Enrollment
- 8,841
- Schools in District
- 7
- Per-Pupil Spending
- $24,541
- District Rank
- #3 of 7
Other Schools in This District
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