- Enrollment
- 1,653
- Students per teacher
- 21.8:1
- Resource Index
- 32/100
Elementary school (grades K-5) · Petaluma, CA
Mary Collins Charter School at Cherry Valley
Federal NCES profile for Mary Collins Charter School at Cherry Valley, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063025004716Charter school
👥 S:T ratio 0
🌟 Gifted program 70
📋 Attendance 41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mary Collins Charter School at Cherry Valley earns 37/100 on the Resource Investment Index, with class sizes larger than 95% of California schools.
- #11 of 25
- elementary schools in Petaluma · Resource Index
- 37
- Resource Index · Typical
- 29.1:1
- large classes for California
- 17.3%
- free-lunch eligible
Mary Collins Charter School at Cherry Valley has class sizes larger than 95% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mary Collins Charter School at Cherry Valley ranks #11 of 25 elementary schools in Petaluma, CA.
School address
District: Petaluma Joint Union High · California
NCES ID 063025004716 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+30 students YoY
Mary Collins Charter School at Cherry Valley grew from 452 students in 2022-23 to 482 in 2023-24 (+6.6%).
Teacher FTE added 17.8 → 19.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+30 students YoY 063025004716 · Petaluma, CA Elementary · SMALL · CHARTER
494 enr · 29.1:1 · 17.3% lunch · RII 37
Nearest enrollment peer: Casa Grande High (1,653 students)
Mary Collins Charter School at Cherry Valley grew from 452 students in 2022-23 to 482 in 2023-24 (+6.6%). Teacher FTE added 17.8 → 19.7 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Mary Collins Charter School at Cherry Valley 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
- This school 494
Mary Collins Charter School at Cherry Valley
494 students
- Petaluma Junio 454
Petaluma Junior High
454 students
- Petaluma Accel 115
Petaluma Accelerated Charter
115 students
What this shows Mary Collins Charter School at Cherry Valley reports 494 students on the CCD universe file.
How Mary Collins Charter School at Cherry Valley compares
Mary Collins Charter School at Cherry Valley is a growing 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 | 29.1:1 | ▲ 35% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 17.3% | ▼ 69% | 55.5% | 51.7% |
| Enrollment | 494 | top 46% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
29.1:1
Leaner classes than 2% of US schools, heavier class loads than most.
494
Bigger than 61% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
17.3%
free-lunch eligible
- 69% 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
29.1:1
students per teacher
- 35% above state mean
Top 95% in California - lower ratio than 5% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
23.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 3 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 73.3%
Two or More 12.4%
Hispanic or Latino 12.0%
Asian 1.2%
American Indian / Alaska Native 0.8%
African American 0.2%
Largest group: White at 73.3% of enrollment.
Student-body diversity index 43.3/100
Simpson diversity index - at 43.3, Mary Collins Charter School at Cherry Valley is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
How Mary Collins Charter School at Cherry Valley 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 |
| Petaluma Junior High | Similar size | Higher economic need | Lower S:T ratio |
| Petaluma Accelerated Charter | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mary Collins Charter School at Cherry Valley'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
- 454
- Students per teacher
- 20.6:1
- Resource Index
- 42/100
- Enrollment
- 115
- Students per teacher
- 28.8:1
- Resource Index
- 51/100
Similar elementary schools in Petaluma
6 comparable elementary schools (grades K-5) serving the same city.
Loma Vista Immersion Academy
Standard public school
451 students 22.6:1 students per teacher
Sonoma Mountain Elementary
Standard public school
422 students 26.4:1 students per teacher
Corona Creek Elementary
Standard public school
403 students 22.4:1 students per teacher
Grant Elementary
Standard public school
386 students 24.1:1 students per teacher
Meadow Elementary
Standard public school
384 students 24:1 students per teacher
Mckinley Elementary
Standard public school
368 students 24.5:1 students per teacher
Nationwide elementary 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 (~494 students)
Frequently asked questions about Mary Collins Charter School at Cherry Valley
How many students attend Mary Collins Charter School at Cherry Valley?
Mary Collins Charter School at Cherry Valley has 494 students enrolled. It is an elementary school in Petaluma, CA. CCD year-over-year: 452 (2022-23) → 482 (2023-24), up 30.
What is the student-teacher ratio at Mary Collins Charter School at Cherry Valley?
The student-teacher ratio at Mary Collins Charter School at Cherry Valley is 29.1:1, which is 35% higher than the California average of 21.5:1 and 85% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mary Collins Charter School at Cherry Valley?
17.3% of students at Mary Collins Charter School at Cherry Valley are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Mary Collins Charter School at Cherry Valley?
The largest demographic group at Mary Collins Charter School at Cherry Valley is White at 73.3% of enrollment, in Petaluma, CA.
What is the Resource Investment Index for Mary Collins Charter School at Cherry Valley?
Mary Collins Charter School at Cherry Valley has a Resource Investment Index of 37/100 (typical 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 Mary Collins Charter School at Cherry Valley rank among elementary schools in Petaluma?
By Resource Investment Index, Mary Collins Charter School at Cherry Valley ranks #11 of 25 elementary 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 elementary schools in Petaluma on the city page.
What other schools are in Petaluma Joint Union High?
Besides Mary Collins Charter School at Cherry Valley, 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.