Castro Valley High

Grades 9–12 Public District: Castro Valley Unified

19400 Santa Maria Ave., Castro Valley, CA 94546 Map

Math (met standard)
43%
+11 state 32% · 2025-26
English (met standard)
61%
+3 state 57% · 2025-26
Science (met standard)
49%
+14 state 36% · 2025-26
Low income
40%
free or reduced-price lunch
Students
2,874
2024-25
Students per teacher
23.6
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 43% state 32% · 2025-26 61% state 57% · 2025-26 —
All grades 43% state 32% · 2025-26 61% state 57% · 2025-26 49% state 36% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 43% state 32% 61% state 57% 49% state 36%
2024-25 49% state 31% 68% state 57% 49% state 28%
2023-24 49% state 28% 66% state 56% 50% state 27%
2022-23 52% state 27% 72% state 55% 53% state 27%
2021-22 59% state 27% 78% state 55% 49% state 27%
2020-21 86% state 34% 85% state 59% —
2018-19 60% state 32% 68% state 57% 41% state 26%
2017-18 60% state 31% 71% state 56% —
2016-17 57% state 32% 70% state 60% —
2015-16 51% state 32% 67% state 59% —
2014-15 51% state 30% 73% state 56% —

Graduation & college

4-year graduation rate
98%
state 88% · 2025-26
Graduates meeting UC/CSU (A–G)
72%
state 55% · 2025-26
College-going rate
85%
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
Redwood Continuation High
Grades 9–12 Alternative · Castro Valley Unified
1.1 mi
3%
−29 vs state
21%
−37 vs state
8%
−30 vs state
Average of math, English and science: 10% in 2022-23 → 12% in 2025-26 78% 92 Hispanic 53%
Castro Valley Virtual Academy
Grades K–12 · Castro Valley Unified
1.1 mi
36%
+6 vs state · 2024-25
73%
+16 vs state · 2024-25
39%
Average of math, English and science: 40% in 2021-22 → 39% in 2025-26 40% 45 Hispanic 29%
Hayward High
Grades 9–12 · Hayward Unified
2.3 mi
21%
−11 vs state
51%
−6 vs state
33%
−6 vs state
Average of math, English and science: 34% in 2022-23 → 35% in 2025-26 75% 1,580 Hispanic 68%
Alameda County Juvenile Hall/Court
Grades K–12 Alternative · Alameda County Office of Education
2.4 mi
0%
−32 vs state
0%
−57 vs state
0%
−33 vs state
Average of math, English and science: 0% in 2022-23 → 0% in 2025-26 95% 56 Black 52%
Brenkwitz High
Grades 9–12 Alternative · Hayward Unified
2.5 mi
5%
−27 vs state
8%
−50 vs state
2%
−36 vs state
3% Average of math, English and science: 2% in 2022-23 → 5% in 2025-26 88% 76 Hispanic 75%
San Lorenzo High
Grades 9–12 · San Lorenzo Unified
2.7 mi
5%
−27 vs state
23%
−35 vs state
15%
−24 vs state
5% Average of math, English and science: 19% in 2022-23 → 14% in 2025-26 82% 1,029 Hispanic 69%
East Bay Arts High
Grades 9–12 Alternative · San Lorenzo Unified
2.7 mi
25%
−7 vs state
39%
−19 vs state
17%
−22 vs state
6% Average of math, English and science: 26% in 2022-23 → 32% in 2025-26 76% 154 Hispanic 65%
Hayward Twin Oaks Montessori
Grades 1–12 Charter · Hayward Twin Oaks Montessori District
2.9 mi
30%
−9 vs state
37%
−12 vs state
35%
±0 vs state
5% Average of math, English and science: 29% in 2022-23 → 34% in 2025-26 38% 643 Hispanic 46%
Royal Sunset (Continuation)
Grades 7–12 Alternative · San Lorenzo Unified
3.2 mi
5%
−27 vs state
0%
−57 vs state
8%
−30 vs state
3% Average of math, English and science: 5% in 2022-23 → 2% in 2025-26 63% 107 Hispanic 65%
Alameda County Community
Grades K–12 Alternative · Alameda County Office of Education
3.4 mi
0%
−32 vs state
0%
−57 vs state
0%
−32 vs state · 2024-25
9% Average of math, English and science: 9% in 2022-23 → 0% in 2025-26 59% 73 Hispanic 75%