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Mills High School

Serves grades 9 - 12

Analytics built by:   Location, Inc.

Raw data sources:
  • Test Scores: Edfacts (U.S. Department of Education), State departments of education.
  • Expenditures: National Center for Education Statistics.
  • Educational Environment: American Community Survey (U.S. Census Bureau).
Date(s) & Update Frequency:
  • Test data: Reflects 2023 – 2024 school year.
  • Expenditures: 2022
  • Educational Environment: 2023 (latest available). Updated annually.
  • All data updated June 2025

Methodology:   Only NeighborhoodScout gives you nationally comparable school ranks based on test scores, so you can directly compare the quality of schools in any location. Read more

School Overview

Address
400 Murchison Dr.
Millbrae, CA 94030
Phone
(650) 558-2599
District
San Mateo Union High
County
SAN MATEO COUNTY
Type of School
Regular elementary or secondary
Magnet School
No
Charter School
No
Students Enrolled
1119
Classroom Teachers
57

School Quality Ratings

School Quality Compared to California

9

(10 is best)

Better than 87.0% of all CA schools.

School Quality Compared to U.S.

9

(10 is best)

Mills High School Test Scores (No Child Left Behind Tests)

Grade 11

80 60 40 20 0
66%
42%
75%
55%
56%
28%
    Proficiency in Reading and Math
    Proficiency in Reading
    Proficiency in Math
School
State

Class Size (number of students per classroom teacher)

25 20 15 10 5 0
20
19
22
16
    AVG FOR THIS SCHOOL
    AVG FOR DISTRICT
    AVG FOR STATE
    AVG FOR NATION
SCHOOL ENROLLMENT BY GRADE NUMBER OF STUDENTS PERCENTAGE
Grade 9 271 24.2%
Grade 10 286 25.6%
Grade 11 271 24.2%
Grade 12 291 26.0%
Total 1119 100%

School enrollment by group

Ethnic/Racial Groups This School This District This State
White (non-hispanic) 12.7% 27.0% 22.0%
Black 0.2% 0.8% 5.2%
Hispanic 21.4% 38.7% 58.8%
Asian Or Pacific Islander 64.3% 31.5% 13.1%
American Indian Or Native Of Alaska 1.3% 2.0% 0.9%
Economic Groups This School This District This State
Economically disadvantaged 17.1% 19.7% 61.5%
Free lunch eligible 17.1% 19.7% 53.9%
Reduced lunch eligible 0.0% 0.0% 7.7%
POPULATION DISTRICT FOR THIS SCHOOL STATE
POPULATION 243,112 38,965,193
POPULATION DENSITY (per sq. mile) 3,845.5 247
POPULATION DISTRIBUTION BY AGE DISTRICT FOR THIS SCHOOL STATE
4 YEARS OLD AND BELOW 5.6% 5.6%
5-19 YEARS OLD 16.3% 19.2%
20-44 YEARS OLD 34.6% 35.1%
45-64 YEARS OLD 26.2% 24.8%
65 OR OLDER 17.3% 15.3%
HOUSEHOLD CHARACTERISTICS DISTRICT FOR THIS SCHOOL STATE
Number Of Households 91,674 13,434,847
Single Parent Households With Children 5.3% 8.2%
Adults With At Least A High School Diploma 92.4% 84.6%
Adults With At Least A Bachelor's Degree 58.8% 36.5%
HOUSEHOLD INCOME DISTRIBUTION DISTRICT FOR THIS SCHOOL STATE
$150,000 or more 52.9% 30.6%
$100,000 - $149,999 14.9% 17.9%
$75,000 - $99,999 8.1% 11.8%
$50,000 - $74,999 8.5% 13.3%
$30,000 - $49,999 7.0% 11.1%
$15,000 - $29,999 4.3% 8.0%
$15,000 or less 4.3% 7.4%

Education Expenditures

For this District Per Student Total % of Total
Instructional Expenditures $12,873 $113,813,000 40.2%
Support Expenditures
Student $2,478 $21,912,000 7.7%
Staff $1,859 $16,432,000 5.8%
General Administration $333 $2,944,000 1.0%
School Administration $1,132 $10,007,000 3.5%
Operation $2,513 $22,219,000 7.9%
Transportation $382 $3,375,000 1.2%
Other $730 $6,455,000 2.3%
Total Support $9,427 $83,344,000 29.5%
Non-instructional Expenditures $9,705 $85,802,000 30.3%
Total Expenditures $32,005 $282,959,000 100.0%
For the State Per Student Total % of Total
Instructional Expenditures $9,792 $57,171,955,000 48.2%
Support Expenditures
Student $1,305 $7,621,589,000 6.4%
Staff $1,038 $6,060,606,000 5.1%
General Administration $268 $1,564,258,000 1.3%
School Administration $1,087 $6,348,022,000 5.4%
Operation $1,559 $9,102,997,000 7.7%
Transportation $331 $1,933,983,000 1.6%
Other $886 $5,174,697,000 4.4%
Total Support $6,475 $37,806,152,000 31.9%
Non-instructional Expenditures $4,051 $23,650,179,000 19.9%
Total Expenditures $20,319 $118,628,286,000 100.0%
For the Nation Per Student Total % of Total
Instructional Expenditures $9,169 $453,314,948,000 49.6%
Support Expenditures
Student $1,031 $50,976,033,477 5.6%
Staff $799 $39,519,417,000 4.3%
General Administration $308 $15,224,255,000 1.7%
School Administration $850 $42,029,112,000 4.6%
Operation $1,430 $70,704,769,000 7.7%
Transportation $613 $30,295,759,523 3.3%
Other $623 $30,798,344,000 3.4%
Total Support $5,654 $279,547,690,000 30.6%
Non-instructional Expenditures $3,675 $181,697,172,000 19.9%
Total Expenditures $18,499 $914,559,810,000 100.0%

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