Very Good
#3243 of 9,533 schools in CA
Top 34% in state
Clayton Valley Charter High
High School · Clayton Valley Charter High District
1101 Alberta Way, Concord, CA 94521
Enrollment
2,390
Student-Teacher
24.9:1
Score
7.0
Grades
9th – 12th
Enrollment
2,390
Student-Teacher
24.9:1
Score
7.0
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Concord
#3 of 23
public schools
California high schools
#604 of 1,892
Equity
8.1 / 10
Very strong
About Clayton Valley Charter High
Clayton Valley Charter High serves 2,390 students in grades 9-12 in Concord, California, operating as a charter school in the heart of Contra Costa County. With 96 full-time equivalent teachers, the school maintains a student-teacher ratio of 24.9:1, providing a substantial high school experience for its large student body. Academically, Clayton Valley Charter High demonstrates solid performance, earning a 7.1 out of 10 rating from MySchoolScout and ranking in the 74th percentile statewide at #2442 out of 9566 California schools.
The school shows particular strength in English Language Arts, with 76% of students achieving proficiency or above across grade levels. Mathematics presents more opportunity for growth, with 43% of students meeting proficiency standards. The school draws from an affluent suburban community where the median household income reaches $121,368 and 41% of residents hold bachelor's degrees or higher.
With a low poverty rate of just 6.1% and median home values around $778,300, the surrounding ZIP code of 94521 reflects the economic stability of the area. Clayton Valley Charter High sits in a large suburban setting that combines the resources of an established community with the innovative flexibility that charter status can provide.
What's said publicly about Clayton Valley Charter High
Synthesized from public, attributable sources. Updated April 2026.
Sources (2)
What Parents Should Know
Clayton Valley Charter High is a large school with 2,390 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.
The student-teacher ratio at Clayton Valley Charter High is 24.9:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Clayton Valley Charter High is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Clayton Valley Charter High — Students at Clayton Valley Charter High score 59% proficient, which is below what's typical for similar communities (expected: 62%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
23.2%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 7 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 7.6/10.
How Clayton Valley Charter High Compares
See how Clayton Valley Charter High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 48% (2019) to 42.63% (2024). Reading/ELA proficiency has improved from 72% (2019) to 75.61% (2024).
Location
1101 Alberta Way, Concord, CA 94521
Nearby Alternatives
Families considering Clayton Valley Charter High may also want to explore other high schools in the area. Westwood Elementary (rated 8.2/10, 2.2 miles away), which scores notably higher. Another option is Mt. Diablo Elementary (rated 7.1/10, 1.7 miles away, in nearby Clayton), with a very similar rating. Additionally, HOPE ACADEMY FOR DYSLEXICS (rated 6.5/10, 1.1 miles away), with a comparable rating. For more schools in Concord, see our Concord schools guide .
Nearby Schools
20 within 2.2 mi| School | Distance | Rating |
|---|---|---|
| STEP BY STEP MONTESSORI SCHOOL Concord | 0.6 mi | — |
| Silverwood Elementary Concord | 1.0 mi | 3.4 |
| Highlands Elementary Concord | 0.8 mi | 4.8 |
| Pine Hollow Middle Concord | 1.0 mi | 5.3 |
| ANGELS MONTESSORI PRESCHOOL Concord | 1.1 mi | — |
| Ayers Elementary Concord | 1.2 mi | 5.2 |
| MYRTLE FARM MONTESSORI SCHOOL Concord | 1.3 mi | — |
| Voyager Academy Concord | 1.3 mi | — |
| HOPE ACADEMY FOR DYSLEXICS Concord | 1.1 mi | 6.5 |
| Hope Academy for Dyslexics Concord | 1.1 mi | — |
| Mountain View Elementary Concord | 1.5 mi | 6.1 |
| WOOD ROSE ACADEMY Concord | 1.6 mi | 4.9 |
| Wood Rose Academy Concord | 1.6 mi | — |
| Tabernacle Christian, Inc. Concord | 1.9 mi | — |
| TABERNACLE CHRISTIAN SCHOOLS, INC. Concord | 1.9 mi | 5.4 |
| King's Valley Christian School Concord | 1.8 mi | — |
| Mt. Diablo Elementary Clayton | 1.7 mi | 7.1 |
| KINGS VALLEY CHRISTIAN SCHOOL Concord | 1.8 mi | 6.5 |
| Concord High Concord | 2.2 mi | 5.0 |
| Westwood Elementary Concord | 2.2 mi | 8.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94521 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$127,312
Median Home Value
$823,100
Median Rent
$2,388/mo
Population
41,118
College Educated
44%
Homeownership
73.3%
Avg Commute
32.5 min
Poverty Rate
5.6%
Median Age
43
Community Profile
The community surrounding Clayton Valley Charter High has a median household income of $127,312. It is a well-educated community where 44% of adults hold a bachelor's degree or higher. The median home value in the area is $823,100, with a median rent of $2,388/month. The local poverty rate of 5.6% is relatively low. The average commute for residents is 33 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Andrew P. Hill High San Jose, CA | 7.0 |
| Antelope Valley High Lancaster, CA | 7.0 |
| Arcadia High Arcadia, CA | 7.0 |
| Arroyo High San Lorenzo, CA | 7.0 |
| Bell Gardens High Bell Gardens, CA | 7.0 |
| Cajon High San Bernardino, CA | 7.0 |
Frequently Asked Questions
Common questions about Clayton Valley Charter High
What grades does Clayton Valley Charter High serve?
Clayton Valley Charter High serves students in grades 9th through 12th.
How many students attend Clayton Valley Charter High?
Clayton Valley Charter High has an enrollment of approximately 2,390 students.
What is the student-teacher ratio at Clayton Valley Charter High?
The student-teacher ratio at Clayton Valley Charter High is 24.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Clayton Valley Charter High rank in CA?
Clayton Valley Charter High is ranked #3243 out of 9,533 schools in CA.
What is Clayton Valley Charter High's MySchoolScout rating?
Clayton Valley Charter High has a composite rating of 7.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Clayton Valley Charter High?
Based on the most recent state assessment data, Clayton Valley Charter High has 44.4% math proficiency and 76.9% reading/ELA proficiency.
Is Clayton Valley Charter High a charter school?
Yes, Clayton Valley Charter High is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Clayton Valley Charter High a Title I school?
No, Clayton Valley Charter High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Clayton Valley Charter High?
23.2% of students at Clayton Valley Charter 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.
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,390
- Student-Teacher Ratio
- 24.9:1
- Teachers (FTE)
- 96
- Free/Reduced Lunch
- 23.2%
- Type
- regular
- Setting
- Large Suburb
- County
- Contra Costa County
- Phone
- (925) 682-7474
- Data Year
- 2023–2024
Resources & Links
District
Clayton Valley Charter High District- District Enrollment
- 2,390
- Schools in District
- 1
- Per-Pupil Spending
- $14,448
- District Rank
- #1 of 1
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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