Mills High

Millbrae, CA

PublicHigh · Grades 9–12

smuhsd.org/millshigh 400 Murchison Dr., Millbrae, CA 94030 (650) 558-2599

Test scores

California state tests, 2024–25

English language arts

270 students tested

81.8% met or exceeded the standard. In 2023–24, 75.3% did.

Exceeded51.5%
Met30.4%
Nearly met10.0%
Not met8.2%

Math

270 students tested

63.3% met or exceeded the standard. In 2023–24, 56.5% did.

Exceeded39.3%
Met24.1%
Nearly met18.1%
Not met18.5%

Discipline

State and federal reports

California Department of Education

2.9% of students were suspended at least once in 2024–25.

Measure	2023–24	2024–25
Enrolled during the year	1,141	1,130
Suspended in or out of school	4.1% · 47	2.9% · 33
Suspensions	61	41
Violence with injury	14	11
Violence without injury	19	17
Weapons	3	0
Drugs	13	12
Defiance only	0	0
Other	12	1

Each suspension is listed under its most serious offense.

U.S. Department of Education

Measure	2021–22	2023–24
Enrolled in the fall	1,154	1,119
Suspended out of school	2.3% · 26	5.1% · 57
Suspended in school	0.6% · 7	0.9% · 10
Expelled	0.1% · 1	0.1% · 1

Attendance

California Department of Education

8.2% of students were chronically absent in 2024–25.

Measure	2023–24	2024–25
Students counted	1,129	1,124
Chronically absent	7.0% · 79	8.2% · 92

Chronically absent means missing 10% or more of the school days a student was enrolled.

School Profile

Location

Suburb, Large

Enrollment

1,119 students

Student-Teacher Ratio

20:1

Demographics

Hispanic/Latino19.6%

White11.6%

Black or African American0.2%

Asian58.7%

Two or More Races8.8%

American Indian or Alaska Native0.0%

Native Hawaiian or Pacific Islander1.2%

Teaching Approach

Updated 7mo ago

Mills High emphasizes learning as growth, encouraging students to develop creativity, collaborative problem-solving, and critical thinking so they can make a positive impact on the world. Its approach centers on a safe, vibrant, and inclusive environment with equitable opportunities, while supporting students’ academic progress alongside personal growth, well-being, and balance. (mhs.smuhsd.org)

Public school directory

NCES ID 063498005924

District: San Mateo Union High
Status: Open
School category: Regular School
Charter: No
Virtual instruction: No virtual instruction
Enrollment: 1,119 students
Teachers (FTE): 57

Sources

NCES Common Core of Data · National Center for Education Statistics · 2023–24
California Assessment of Student Performance and Progress (CAASPP) · California Department of Education · 2023–24, 2024–25
California Suspension Data · California Department of Education · 2023–24, 2024–25
Civil Rights Data Collection · U.S. Department of Education, Office for Civil Rights · 2021–22, 2023–24
California Chronic Absenteeism Data · California Department of Education · 2023–24, 2024–25