Very Good
#1582 of 9,533 schools in CA
Top 17% 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
Updated
2022-23
Updated 2022-23
How this school compares
In Millbrae
#2 of 5
public schools
California high schools
#270 of 1,892
In district
#3 of 7
San Mateo Union High
School environment
9.0 / 10
Exceptional
About Mills High
Mills High serves 1,119 students in grades 9-12 in Millbrae, California, earning strong recognition as a top-performing public high school. With a MySchoolScout rating of 8.5 out of 10 and ranking in the 94th percentile statewide at #567 out of 9,566 California schools, Mills High demonstrates solid academic achievement across its student body. The school maintains a student-teacher ratio of 19.6:1 with 57 full-time equivalent teachers supporting its comprehensive high school program.
Academically, Mills High shows particular strength in English Language Arts, where 75% of students perform at proficient or above levels, while 56% of students achieve proficiency in mathematics. These results reflect the school's commitment to preparing students for post-secondary success. Mills High draws from an affluent community where the median household income reaches $146,649 and half of residents hold bachelor's degrees or higher.
The low poverty rate of 6.4% indicates a economically stable student population, while the median home value of $1.9 million reflects the premium placed on education in this area. Located on Murchison Drive in this large suburban community of San Mateo County, Mills High serves families who have chosen to invest in a neighborhood known for its educational excellence and family-friendly atmosphere.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Mills High — Students at Mills High score 66% proficient, which is above what's typical for similar communities (expected: 66%).
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 6 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.3/10.
How Mills High Compares
See how Mills High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 66% (2019) to 56.49% (2024). Reading/ELA proficiency has remained stable from 75% (2019) to 75.29% (2024).
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 6.7/10, 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 5.5/10, 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 | 5.8 |
| Franklin Elementary Burlingame | 0.4 mi | 6.4 |
| Burlingame Intermediate Burlingame | 0.5 mi | 6.8 |
| Taylor Middle Millbrae | 0.6 mi | 7.5 |
| Lincoln Elementary Burlingame | 0.8 mi | 6.2 |
| 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 | 7.7 |
| Hoover Elementary Burlingame | 1.3 mi | 7.5 |
| OUR LADY OF ANGELS SCHOOL Burlingame | 1.2 mi | 4.7 |
| Lomita Park Elementary San Bruno | 1.3 mi | 6.1 |
| 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 | 5.5 |
| Capuchino High San Bruno | 1.4 mi | 6.7 |
| THE AVALON ACADEMY Burlingame | 1.3 mi | — |
| Roosevelt Elementary Burlingame | 1.5 mi | 7.0 |
| 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
Community Profile
The community surrounding Mills High has a median household income of $157,567. It is a well-educated community where 51% of adults hold a bachelor's degree or higher. The median home value in the area is $1,929,700, with a median rent of $3,401/month. The local poverty rate of 6.1% is relatively low. The average commute for residents is 29 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Anderson W. Clark Magnet High La Crescenta, CA | 7.9 |
| Corcoran High Corcoran, CA | 7.9 |
| Foothill High Palo Cedro, CA | 7.9 |
| Hercules High Hercules, CA | 7.9 |
| Oak Park High Oak Park, CA | 7.9 |
| San Marin High Novato, 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 is ranked #1582 out of 9,533 schools in CA.
What is Mills High's MySchoolScout rating?
Mills High has a composite rating of 7.9 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Mills High?
Based on the most recent state assessment data, Mills High has 59.7% math proficiency and 75.2% reading/ELA proficiency.
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.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
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
- Phone
- (650) 558-2599
- Data Year
- 2023–2024
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
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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