Skip to main content

Public high school · Castro Valley Unified · Castro Valley, California

Castro Valley High

Castro Valley High rates 7.1, among the strongest high schools in Castro Valley Unified, where the rated median is 5.3.

High schools, 1 to 10This campus against public high schools around it that are rated on verified state test data.
7.1this school

7.1 on a one-to-ten scale; the Castro Valley Unified median is 5.3.

#3,068 of 9,557 schools in California · Castro Valley Unified: 2 high schools rated, median 5.3

The brief

A Castro Valley Unified high school where students score 5 points above what's typical for similar communities.

It ranks 3,068 of 9,557 schools in California and 3 of 14 in Castro Valley Unified.

Castro Valley High is listed in Castro Valley Unified, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.

Math49%15 points above the California average of 34%2025 CAASPP
Reading68%15 points above the California average of 53%2025 CAASPP
Proficiency has fallen 27 points since 2020, to 59% in 2025, across a 17-year record (2009–2025).2025 CAASPP; 34 test records from CA state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
6.4
25% of the rating
Academics
8.2
25% of the rating
College Readiness
7.9
30% of the rating
Resources & Environment
5.3
20% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2025

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 4/4 metrics

Multi-year averages used by the rating model: math 64% (multi-year average, 2009-2025) · reading/ELA 72% (multi-year average, 2009-2025).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 94546; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
Castro Valley High and the 20 nearest high schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$125,780
Median home value
$976,300
Median rent
$2,506/mo
College educated
41.4%
Homeownership
65.8%
Poverty rate
7.4%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94546; this is area context, not an attendance boundary.

Getting around

Walk Score
57
Somewhat Walkable
Transit Score
27
Some Transit
Bike Score
51
Bikeable
County reported crime
3,626/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 county residents, counting every city police department, sheriff's office and county police department that reported a full year to the FBI Uniform Crime Reporting program. Shown only where those agencies cover at least 80% of the county's residents. Not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · county context, not school-level safety or attendance eligibility. Source details

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

AP and IB
3 AP courses
22.2% participation · state average 2.6 AP courses · CRDC via Urban Institute · SY 2021–22
Athletics
23 sports
12 boys' · 11 girls' · 43 teams (incl. JV) · CRDC via Urban Institute · SY 2021–22
Advanced STEM courses
5 of 5
Algebra II, Advanced Math, Calculus, Chemistry, Physics · CRDC via Urban Institute · SY 2021–22

Who goes here

Free or reduced lunch
39.5%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. 7.2Compare →
  2. Castro Valley Highthis school
    7.1
  3. 6.6Compare →
  4. 6.0Compare →
  5. 6.0Compare →
  6. 6.0Compare →
  7. 5.3Compare →
  8. 3.5Compare →
  9. not ratedCompare →
Eight grade-compatible schools using the same rating model sit within 5 miles, and one rates higher than Castro Valley High among the rated peers.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

Questions families ask

What grades does Castro Valley High serve?

Castro Valley High serves students in grades 9th through 12th.

How many students attend Castro Valley High?

Castro Valley High has an enrollment of approximately 2,842 students.

What is the student-teacher ratio at Castro Valley High?

The student-teacher ratio at Castro Valley High is 23.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Castro Valley High rank in CA?

Castro Valley High ranks #3,068 of 9,557 schools in CA.

What is Castro Valley High's MySchoolScout rating?

Castro Valley High has a current MySchoolScout rating of 7.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Castro Valley High?

Based on loaded state assessment records, Castro Valley High has 64% math proficiency (multi-year average, 2009-2025) and 72% reading/ELA proficiency (multi-year average, 2009-2025).

Is Castro Valley High a charter school?

No, Castro Valley High is not a charter school. It is a traditional public school operated by the local school district.

Is Castro Valley High a Title I school?

No, Castro Valley High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Castro Valley High?

39.5% of students at Castro Valley 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.

School facts

Grades
9th – 12th
Enrollment
2,842
Student-teacher ratio
23.9:1
Teachers (FTE)
119
Type
Regular
Title I
No
Setting
Large Suburb
County
Alameda County
4-year graduation
96.0%
Class of 2023
Rank in district
#3 of 14
Schools in district
16
District spending per student
$14,627
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
4.6%
Census SAIPE · 2024
Area population (ZIP 94546)
45,848
Area average commute
33.7 min
Area median age
42.1

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.