How does Castro Valley High compare to other high schools in Castro Valley?

Castro Valley High has a SchoolScope composite score of 70.3/100, placing it at the 91st percentile statewide. 30% of students exceed standard, with a total of 1,275 students tested across grades and subjects.

What percentage of students exceed standards at Castro Valley High?

30.4% of students at Castro Valley High exceed the state standard on CAASPP assessments, while 58.7% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

What is the chronic absenteeism rate at Castro Valley High?

14.9% of students at Castro Valley High are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in our composite score.

Castro Valley High

High School

Castro Valley Unified Castro ValleyAlameda County94546

📍 19400 Santa Maria Avenue

Composite Score

out of 100

State Percentile

of high schools

State Rank

of 1,739 California high schools

💪

Strong All-Around

Strong across every dimension we measure — academics, growth, culture, and engagement.

Composite scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

School overview

Enrollment

2,842 students

Student-Teacher Ratio

24:1

Free/Reduced Lunch

40%

Teachers

119 full-time

College & career readiness

Graduation Rate

98.1%

AP Exam Prepared

79.5%

A-G Completion

68.2%

College-Going Rate

84.6%

Data source: California Department of Education — ACGR, CCI, CGR reports

Dashboard indicators

ELA Year-over-Year

Increased

+10.5 pts DFS change

Math Year-over-Year

Increased

+3.8 pts DFS change

EL Proficiency (ELPAC)

12.8%

English learners at Level 4 (Well Developed) · 148 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic25.4%

White22.8%

Asian30.5%

Black4.8%

Other16.5%

Performance breakdown

Performance breakdown for Castro Valley High
Category	Percentage
Exceeded Standard	30.4%
Met Standard	28.4%
Below Standard	41.3%

What other rankings don't show you

Most rating sites report "59% proficient" for Castro Valley High and stop there. Here's what that number hides:

30.4% of students exceeded standard while 28.4% met it. That exceeded rate is 14.9 points above the state average of 15.5%. That's 5.2 points below the Castro Valley Unified district average of 35.5%. Compared to the 4 nearby schools within ~3 miles, this exceeded rate is 26.4 points higher (vs 4.0% average). The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

The graduation rate is 98.1% — above the state target. 68.2% of students complete A-G requirements for UC/CSU eligibility — a strong college readiness signal. 84.6% of graduates go on to college within a year.

Chronic absenteeism is 14.9%, better than the state average of 34.0%.

Why the exceeded vs. met split matters →