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Alumni: what's one memory from Casa Grande High that still sticks with you?
Community prompt from u/allk12. Replies below.
Enrollment
1,653
High
DISTRICT 499 · STATE 838
SCHOOL COMMUNITY·PETALUMA JOINT UNION HIGH·NCES 063025004715
Casa Grande High
333 Casa Grande Rd., Petaluma, CA 94954 · (707) 778-4677 · Sonoma County
GRADES 09–12HIGH13-CITYTITLE IREGULAR SCHOOL1,653 STUDENTS
B
allk12 Grade
Scored higher than 55% of California public high schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- BThree-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public high schools
Student : Teacher
21.5:1
77 FTE teachers
DISTRICT 13.2:1 · STATE 18.2:1
Free / Reduced Lunch
49%
803 students
DISTRICT 49% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 443 | 27% |
| Grade 10 | 389 | 24% |
| Grade 11 | 420 | 25% |
| Grade 12 | 401 | 24% |
Student demographics
60%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 58% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
66.7%
CA avg 49.1% . -10.3pp since 2014
Math
35.5%
CA avg 37.7% . -5.5pp since 2014
What this means: On the CAASPP, California's statewide test, about 67 of every 100 students at this school read and write at grade level and about 36 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 10 points since 2014, while math scores are down about 6 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 32.6% | 34.1% | 17.9% | 15.4% |
| Math | 11.5% | 24.0% | 25.5% | 39.0% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 66.7% | 35.5% |
| 2023-24 | 61.5% | 25.7% |
| 2022-23 | 60.5% | 34.9% |
| 2021-22 | 63.6% | 32.0% |
| 2020-21 | 58.5% | 39.5% |
| 2018-19 | 77.1% | 43.3% |
| 2017-18 | 74.8% | 43.3% |
| 2016-17 | 71.1% | 43.9% |
| 2015-16 | 73.0% | 52.0% |
| 2014-15 | 77.0% | 41.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
47.3%
composite math + reading, all grades
Predicted
51.1%
based on CA schools with similar FRL share
Beats by
-3.7pp
below demographic expectation
What this means: About 47% of students here test proficient in math and reading, compared with the roughly 51% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Casa Grande High
Casa Grande High's state test result (47.3% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Casa Grande High this school | 1,653 | 48.6% | 47.3% |
| Murrieta Valley High Murrieta | 2,104 | 46.7% | 59.9% |
| Windsor High Windsor | 1,700 | 48.4% | 42.8% |
| Aptos High Aptos | 1,274 | 47.6% | 41.2% |
| Arroyo Grande High Arroyo Grande | 2,012 | 47.2% | 50.5% |
| Novato High Novato | 1,287 | 48.3% | 42.8% |
Matched among California high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Casa Grande High ranks
Among high schools| Measure | This school | In California | In Sonoma County |
|---|---|---|---|
| State test proficiency ranked highest first | 47.3% | #361 of 1,052 | #4 of 13 |
| Math proficiency ranked highest first | 35.5% | #332 of 1,056 ▲ 119 | #5 of 13 no change |
| Reading proficiency ranked highest first | 66.7% | #322 of 1,056 ▲ 88 | #3 of 13 no change |
| 3-year test score change ranked biggest gain first | +3.3pp | #443 of 1,044 | #6 of 13 |
| Enrollment ranked largest first | 1,653 | #476 of 2,093 | #3 of 29 |
| Students per teacher ranked fewest first | 21.5:1 | #765 of 1,352 | #13 of 16 |
| Diversity index ranked most diverse first | 60.2% | #406 of 1,351 | #5 of 16 |
| Free and reduced lunch ranked highest share first | 48.6% | #1,181 of 1,575 | #8 of 16 |
| Enrollment change since 2017-18 ranked steepest decline first | -3.1% | #702 of 802 | #6 of 10 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,653
-124 (-7%) vs 2020
+41% since 1990-91, when it was 1,173
Student : Teacher
21.5:1
was 23.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,653 | 76.9 | 21.5:1 | 49% (803) |
| 2023-24 | 1,631 | 75.1 | 21.7:1 | 45% (734) |
| 2022-23 | 1,710 | 76.9 | 22.2:1 | 45% (764) |
| 2020-21 | 1,777 | 76 | 23.4:1 | 41% (733) |
| 2017-18 | 1,706 | 74.1 | 23.0:1 | 35% (599) |
| 2015-16 | 1,683 | 74 | 22.7:1 | 38% (646) |
| 2010-11 | 1,770 | N/A | N/A | 34% (607) |
| 2000-01 | 1,701 | 76 | 22.4:1 | 9% (148) |
| 1990-91 | 1,173 | 53 | 22.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Casa Grande High.
Since 2017-18: students down 3% (1,706 to 1,653); teachers up 4% (74.1 to 76.9).
About Casa Grande High
Casa Grande High is a large high school that serves part of Petaluma, California. A federal count lists 1,653 students at the school, in grades 9 through 12. Average enrollment for high schools in California is about 838, so this school runs 97% larger than that.
Casa Grande High falls under Petaluma Joint Union High, which has 11 schools enrolling 4,900 students.
Federal enrollment data show Hispanic students as the largest group at Casa Grande High, at 47%. Beyond that, enrollment is 42% White, 6% multiracial, and 4% Asian. The Hispanic share of the county population is lower, at 30%. Casa Grande High's diversity index is 60%, against a US figure of 70%.
Casa Grande High's 76.9 full-time-equivalent teachers put its ratio at 21.5:1. On average, high schools in California have 18.2:1, compared with 21.5:1 here. The school's rate of free or reduced-price lunch eligibility is 49%. For comparison, public schools in Sonoma County average 51%.
The allk12 Grade for Casa Grande High is B. Compared with California public high schools, the school scored higher than 55% on a mix of test scores, poverty-adjusted results, and recent trend.
Given its share of students eligible for free or reduced-price lunch, Casa Grande High would be expected to post about 51.1%. Its actual average proficiency rate on state tests is 47.3%.
In the county around the school, Sonoma County, the median household income is $104,674, roughly 39% of adults have a four-year degree or more, and about 5% of residents live below the federal poverty line. There are 184 public schools in Sonoma County, enrolling about 63,389 students in all.
The nearest other public school, Sonoma Mountain High (Necessary Small School), is about 0.1 miles away. There are at least 8 more public schools inside five miles. Casa Grande High places 2nd of 5 on proficiency among the closest schools that report scores.
NCES assigns Casa Grande High the locale City: Small, meaning inside a principal city with a population under 100,000.
Over 4 years, Casa Grande High's enrollment declined 7%, to 1,653. The number of students per teacher fell from 23.4 to 21.5 over 4 years.
The allk12 site hosts a discussion page for Casa Grande High covering things like sports schedules, lunch menus, and spirit week. Posting is open to anyone connected to the school.
Sonoma County at a glance
View full county profilePopulation
485,040
Census ACS
Median income
$104,674
Household, ACS
Bachelor's+
39%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
184
63,389 students
Quick facts
Related schools
Other schools in Petaluma Joint Union High
- Petaluma HighHigh · 1,193 students
- Kenilworth Junior HighMiddle · 812 students
- Mary Collins Charter School at Cherry ValleyElementary · 494 students
- Petaluma Junior HighMiddle · 454 students
- Petaluma Accelerated CharterMiddle · 115 students
- San Antonio High (Continuation)High · 65 students
Other schools in Petaluma
- Petaluma HighHigh · 1,193 students
- Kenilworth Junior HighMiddle · 812 students
- Heartwood CharterCombined · 739 students
- Mary Collins Charter School at Cherry ValleyElementary · 494 students
- Petaluma Junior HighMiddle · 454 students
- Loma Vista Immersion AcademyElementary · 451 students
Nearby schools
- Sonoma Mountain High (Necessary Small School)0.1 mi · 21
- La Tercera Elementary0.6 mi · 295
- Miwok Valley Elementary Charter0.8 mi · 288
- McDowell Elementary1.2 mi · 329
- Dual Language Immersion Academy Charter1.2 mi · 31
- River Montessori Elementary Charter1.3 mi · 144
Frequently asked questions
About Casa Grande HighHow many students attend Casa Grande High?
Casa Grande High enrolls approximately 1,653 students in grades 09-12.
What grades does Casa Grande High serve?
Casa Grande High serves grades 09-12.
What is the student-teacher ratio at Casa Grande High?
The student-to-teacher ratio at Casa Grande High is approximately 21.5:1 (77 FTE teachers).
What is the racial breakdown of students at Casa Grande High?
At Casa Grande High, the student body is approximately 42% White, 47% Hispanic, 2% Black, 4% Asian, 6% Two or more.
What district is Casa Grande High in?
Casa Grande High is part of Petaluma Joint Union High.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.