Average
#4566 of 9,539 schools in CA
Top 48% in state
Casa Grande High
High School · Petaluma Joint Union High
333 Casa Grande Rd., Petaluma, CA 94954
Enrollment
1,631
Student-Teacher
21.7:1
Score
6.5
Grades
9th – 12th
Enrollment
1,631
Student-Teacher
21.7:1
Score
6.5
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#4,566 of 9,539
In Petaluma
#16 of 30
public schools
In district
#5 of 8
Petaluma Joint Union High
School environment
7.1 / 10
Very Good
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Casa Grande High
High School in Petaluma · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Sonoma Mountain High (continuation)
0.1 mi away. Use as a geographic alternative in the same move search.
La Tercera Elementary
0.6 mi away. Use as a geographic alternative in the same move search.
About Casa Grande High
Casa Grande High is a public high school in Petaluma, CA, part of Petaluma Joint Union High. Casa Grande High serves approximately 1,631 students, and covers grades 9th-12th, and has a 21.7:1 student-teacher ratio. Casa Grande High has a current MySchoolScout rating of 6.5 out of 10 and ranks #4,566 of 9,539 schools in CA.
Structured state assessment records for Casa Grande High show 49% math proficiency (multi-year average, 2009-2024) and 69% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 6.5 · Average
- District avg 6.2
- CA avg 6.5
What Parents Should Know
Casa Grande High runs 21.7:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Casa Grande High — Students at Casa Grande High score 44% proficient, which is below what's typical for similar communities (expected: 49%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
45%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 30 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage 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: 5.5/10.
How Casa Grande High Compares
See how Casa Grande High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
333 Casa Grande Rd., Petaluma, CA 94954
Nearby Alternatives
Families considering Casa Grande High may also want to explore other high schools in the area. Valley Oaks High (Alternative) (rated 7.1/10, 1.7 miles away), which scores slightly higher. Additionally, San Antonio High (Continuation) (rated 4.4/10, 1.7 miles away), a more accessible option. For more schools in Petaluma, see our Petaluma schools guide .
Nearby Schools
20 within 2.6 mi| School | Distance | Rating |
|---|---|---|
| Sonoma Mountain High (Continuation) Petaluma | 0.1 mi | — |
| La Tercera Elementary Petaluma | 0.6 mi | 6.4 |
| HARVEST CHRISTIAN SCHOOL Petaluma | 0.8 mi | 5.6 |
| Miwok Valley Elementary Charter Petaluma | 0.8 mi | 4.3 |
| CYPRESS SCHOOL Petaluma | 1.3 mi | 6.3 |
| Old Adobe Elementary Charter Petaluma | 1.3 mi | 6.3 |
| CYPRESS PRIMARY SCHOOL Petaluma | 1.3 mi | 5.9 |
| River Montessori Elementary Charter Petaluma | 1.3 mi | 8.1 |
| McDowell Elementary Petaluma | 1.2 mi | 5.3 |
| Valley Oaks High (Alternative) Petaluma | 1.7 mi | 7.1 |
| San Antonio High (Continuation) Petaluma | 1.7 mi | 4.4 |
| Loma Vista Immersion Academy Petaluma | 1.8 mi | 7.5 |
| Live Oak Charter Petaluma | 1.7 mi | 6.4 |
| THE SPRING HILL SCHOOL Petaluma | 1.9 mi | 8.6 |
| McKinley Elementary Petaluma | 1.9 mi | 7.5 |
| Petaluma Accelerated Charter Petaluma | 1.9 mi | 8.1 |
| Grant Elementary Petaluma | 2.3 mi | 7.3 |
| Sonoma Mountain Elementary Petaluma | 2.4 mi | 7.7 |
| McNear Elementary Petaluma | 2.5 mi | 5.7 |
| South County Consortium Petaluma | 2.6 mi | 7.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94954 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$107,564
Median Home Value
$790,100
Median Rent
$2,405/mo
Population
38,000
College Educated
36.9%
Homeownership
66.7%
Avg Commute
31 min
Poverty Rate
5.9%
Median Age
44.8
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Abraham Lincoln High Testville, CA | 6.5 |
| Analy High Sebastopol, CA | 6.5 |
| Antelope High Antelope, CA | 6.5 |
| Bear Creek High Stockton, CA | 6.5 |
| College Park High Pleasant Hill, CA | 6.5 |
| Franklin High Stockton, CA | 6.5 |
Frequently Asked Questions
Common questions about Casa Grande High
What grades does Casa Grande High serve?
Casa Grande High serves students in grades 9th through 12th.
How many students attend Casa Grande High?
Casa Grande High has an enrollment of approximately 1,631 students.
What is the student-teacher ratio at Casa Grande High?
The student-teacher ratio at Casa Grande High is 21.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Casa Grande High rank in CA?
Casa Grande High ranks #4,566 of 9,539 schools in CA.
What is Casa Grande High's MySchoolScout rating?
Casa Grande High has a current MySchoolScout rating of 6.5 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 Casa Grande High?
Based on loaded state assessment records, Casa Grande High has 49% math proficiency (multi-year average, 2009-2024) and 69% reading/ELA proficiency (multi-year average, 2009-2024).
Is Casa Grande High a charter school?
No, Casa Grande High is not a charter school. It is a traditional public school operated by the local school district.
Is Casa Grande High a Title I school?
No, Casa Grande High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Casa Grande High?
45.0% of students at Casa Grande 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.
Explore More Schools
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,631
- Student-Teacher Ratio
- 21.7:1
- Teachers (FTE)
- 75
- Free/Reduced Lunch
- 45.0%
- Type
- regular
- Setting
- Small City
- County
- Sonoma County
- Chronic Absenteeism (SY 2022-23)
- 20.2%
- Phone
- (707) 778-4677
- 4-Year Graduation
- 93.0%
Resources & Links
District
Petaluma Joint Union High- District Enrollment
- 4,931
- Schools in District
- 10
- District Rank
- #5 of 8
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
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