- Enrollment
- 1,653
- Students per teacher
- 21.8:1
- Resource Index
- 32/100
Middle school (grades 6-8) · Petaluma, CA
Petaluma Accelerated Charter
Federal NCES profile for Petaluma Accelerated Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 063025013937Charter school
👥 S:T ratio 0
🌟 Gifted program 70
📋 Attendance 83
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Petaluma Accelerated Charter earns 51/100 on the Resource Investment Index, with class sizes larger than 94% of California schools.
- #1 of 3
- middle schools in Petaluma · Resource Index
- 51
- Resource Index · Higher
- 28.8:1
- large classes for California
- 8.1%
- free-lunch eligible
Petaluma Accelerated Charter has class sizes larger than 94% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Petaluma Accelerated Charter ranks #1 of 3 middle schools in Petaluma, CA.
School address
District: Petaluma Joint Union High · California
NCES ID 063025013937 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-7 students YoY
Petaluma Accelerated Charter shrank from 123 students in 2022-23 to 116 in 2023-24 (-5.7%).
Teacher FTE held 4.5 → 4.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-7 students YoY 063025013937 · Petaluma, CA Middle · SMALL · CHARTER
115 enr · 28.8:1 · 8.1% lunch · RII 51
Nearest enrollment peer: Casa Grande High (1,653 students)
Petaluma Accelerated Charter shrank from 123 students in 2022-23 to 116 in 2023-24 (-5.7%). Teacher FTE held 4.5 → 4.3 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Petaluma Accelerated Charter in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Casa Grande Hi
Casa Grande High
1,653 students
- Petaluma High
Petaluma High
1,193 students
- Kenilworth Jun
Kenilworth Junior High
812 students
- Mary Collins C 494
Mary Collins Charter School at Cherry Valley
494 students
- Petaluma Junio 454
Petaluma Junior High
454 students
- This school 115
Petaluma Accelerated Charter
115 students
What this shows Petaluma Accelerated Charter reports 115 students on the CCD universe file.
How Petaluma Accelerated Charter compares
Petaluma Accelerated Charter is a shrinking campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 28.8:1 | ▲ 34% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 8.1% | ▼ 85% | 55.5% | 51.7% |
| Enrollment | 115 | top 89% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
28.8:1
Leaner classes than 2% of US schools, heavier class loads than most.
115
Bigger than 11% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
8.1%
free-lunch eligible
- 85% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
28.8:1
students per teacher
- 34% above state mean
Top 94% in California - lower ratio than 6% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
7.0%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 53.0%
Hispanic or Latino 29.6%
Asian 8.7%
Two or More 7.0%
African American 0.9%
American Indian / Alaska Native 0.9%
Largest group: White at 53.0% of enrollment.
Student-body diversity index 61.9/100
Simpson diversity index - at 61.9, Petaluma Accelerated Charter is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
How Petaluma Accelerated Charter Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Casa Grande High | Larger | Higher economic need | Lower S:T ratio |
| Petaluma High | Larger | Higher economic need | Lower S:T ratio |
| Kenilworth Junior High | Larger | Higher economic need | Lower S:T ratio |
| Mary Collins Charter School at Cherry Valley | Larger | Similar economic need | Similar S:T ratio |
| Petaluma Junior High | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Petaluma Accelerated Charter's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,193
- Students per teacher
- 20.9:1
- Resource Index
- 44/100
- Enrollment
- 812
- Students per teacher
- 21.4:1
- Resource Index
- 50/100
- Enrollment
- 494
- Students per teacher
- 29.1:1
- Resource Index
- 37/100
- Enrollment
- 454
- Students per teacher
- 20.6:1
- Resource Index
- 42/100
Similar middle schools in Petaluma
2 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~115 students)
Frequently asked questions about Petaluma Accelerated Charter
How many students attend Petaluma Accelerated Charter?
Petaluma Accelerated Charter has 115 students enrolled. It is a middle school in Petaluma, CA. CCD year-over-year: 123 (2022-23) → 116 (2023-24), down 7.
What is the student-teacher ratio at Petaluma Accelerated Charter?
The student-teacher ratio at Petaluma Accelerated Charter is 28.8:1, which is 34% higher than the California average of 21.5:1 and 83% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Petaluma Accelerated Charter?
8.1% of students at Petaluma Accelerated Charter are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Petaluma Accelerated Charter?
The largest demographic group at Petaluma Accelerated Charter is White at 53.0% of enrollment, in Petaluma, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.9/100.
What is the Resource Investment Index for Petaluma Accelerated Charter?
Petaluma Accelerated Charter has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Petaluma Accelerated Charter rank among middle schools in Petaluma?
By Resource Investment Index, Petaluma Accelerated Charter ranks #1 of 3 middle schools in Petaluma, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Petaluma on the city page.
What other schools are in Petaluma Joint Union High?
Besides Petaluma Accelerated Charter, Petaluma Joint Union High also operates Casa Grande High (1,653 students), Petaluma High (1,193 students), and Kenilworth Junior High (812 students). See the Petaluma Joint Union High district page for the complete list.