Mills High

Grades 9–12 Public District: San Mateo Union High

400 Murchison Dr., Millbrae, CA 94030 Map

Math (met standard)
63%
+31 state 32% · 2025-26
English (met standard)
80%
+22 state 57% · 2025-26
Science (met standard)
58%
+25 state 33% · 2025-26
Low income
20%
free or reduced-price lunch
Students
1,115
2024-25
Students per teacher
20.5
2024-25

Test score trends

Share of students who met or exceeded the state standard each year.

Latest results by grade

Grade Math English Science
Grade 11 63% state 32% · 2025-26 80% state 57% · 2025-26 —
All grades 63% state 32% · 2025-26 80% state 57% · 2025-26 58% state 33% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 63% state 32% 80% state 57% 58% state 33%
2024-25 63% state 31% 82% state 57% 49% state 28%
2023-24 57% state 28% 75% state 56% 45% state 27%
2022-23 57% state 27% 73% state 55% 51% state 27%
2021-22 71% state 27% 84% state 55% 76% state 27%
2018-19 66% state 32% 75% state 57% —
2017-18 70% state 31% 77% state 56% —
2016-17 75% state 32% 91% state 60% —
2015-16 71% state 32% 87% state 59% —
2014-15 72% state 30% 85% state 56% —

Graduation & college

4-year graduation rate
99%
state 88% · 2025-26
Graduates meeting UC/CSU (A–G)
82%
state 55% · 2025-26
College-going rate
93%
state 66% · 2022-23

Graduation rate: students who earned a regular diploma within four years. UC/CSU: share of graduates who completed the A–G courses required by the University of California and California State University. College-going: share of high school completers who enrolled in any college within 12 months.

Students

Race and ethnicity, 2024-25

Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).

Nearby schools

Subject percentages show the share of students who met or exceeded the state standard.

Pick to compare
Peninsula High (Continuation)
Grades 9–12 Alternative · San Mateo Union High
1.2 mi
3%
−29 vs state
10%
−47 vs state
12%
−21 vs state
4% Average of math, English and science: 4% in 2022-23 → 8% in 2025-26 50% 123 Hispanic 76%
Capuchino High
Grades 9–12 · San Mateo Union High
1.4 mi
24%
−8 vs state
51%
−6 vs state
35%
+3 vs state
11% Average of math, English and science: 48% in 2022-23 → 37% in 2025-26 34% 1,061 Hispanic 55%
Burlingame High
Grades 9–12 · San Mateo Union High
2.5 mi
61%
+29 vs state
76%
+19 vs state
57%
+25 vs state
7% Average of math, English and science: 72% in 2022-23 → 65% in 2025-26 13% 1,583 White 41%
San Mateo High
Grades 9–12 · San Mateo Union High
3.5 mi
48%
+16 vs state
62%
+5 vs state
44%
+11 vs state
4% Average of math, English and science: 47% in 2022-23 → 51% in 2025-26 38% 1,557 Hispanic 48%
South San Francisco High
Grades 9–12 · South San Francisco Unified
4.2 mi
19%
−13 vs state
56%
−1 vs state
32%
−1 vs state
Average of math, English and science: 38% in 2022-23 → 36% in 2025-26 42% 1,239 Hispanic 63%
Aragon High
Grades 9–12 · San Mateo Union High
4.5 mi
65%
+33 vs state
81%
+24 vs state
63%
+30 vs state
Average of math, English and science: 69% in 2022-23 → 70% in 2025-26 17% 1,658 Asian 33%
Baden High (Continuation)
Grades 9–12 Alternative · South San Francisco Unified
4.6 mi
0%
−32 vs state
17%
−41 vs state
14%
−18 vs state
4% Average of math, English and science: 6% in 2022-23 → 10% in 2025-26 47% 130 Hispanic 68%
Terra Nova High
Grades 9–12 · Jefferson Union High
4.6 mi
44%
+12 vs state
63%
+5 vs state
44%
+5 vs state
6% Average of math, English and science: 44% in 2022-23 → 50% in 2025-26 15% 740 White 42%