Enrollment
739
California · 2024-25 NCES data
Other / mixed grade configuration · Petaluma, CA
Heartwood Charter
Federal NCES profile for Heartwood Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataOther / mixed grade configurationNCES 060251214416Charter school
👥 S:T ratio 0
🌟 Gifted program 30
📋 Attendance 97
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Heartwood Charter earns 42/100 on the Resource Investment Index, with class sizes larger than 98% of California schools.
- #1 of 3
- schools in Petaluma · Resource Index
- 42
- Resource Index · Typical
- 35.2:1
- large classes for California
- 27.1%
- free-lunch eligible
Heartwood Charter has class sizes larger than 98% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Heartwood Charter ranks #1 of 3 schools in Petaluma, CA.
School address
District: Heartwood Charter District · California
NCES ID 060251214416 Verify on NCES CCD record →
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
35.2:1
vs 21.5:1 California avg
+64% vs state
Free-lunch eligible
27.1%
vs 55.5% California avg
-51% vs state
Student-teacher ratio in context
How Heartwood Charter compares with California and U.S. medians
What stands out at Heartwood Charter
Heartwood Charter is a mid-sized charter combined-grade school in Petaluma, California, enrolling 739 students.
Class loads run heavy: 35.2:1 is larger than about 98% of California schools and 64% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 27.1% of students eligible for free meals.
Enrollment of 739 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 1,260 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #240.
Its student body is led by White (63%) and Hispanic or Latino (18%) (diversity index 55/100).
Attendance holds up well here: only 1.1% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Heartwood Charter District spends $8,754 per pupil, 47% below the California average, a leaner-resourced district than most.
Among Petaluma's public schools, it stands alongside South County Consortium (129 students): Heartwood Charter is larger than that campus by headcount and runs heavier classes (35.2:1 vs 8.1:1).
Heartwood Charter District is a single-school charter district, so Heartwood Charter operates independently rather than alongside district-mates.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Heartwood Charter compares
Heartwood Charter on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 35.2:1 | ▲ 64% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 27.1% | ▼ 51% | 55.5% | 51.7% |
| Enrollment | 739 | top 21% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
35.2:1
Leaner classes than 1% of US schools, heavier class loads than most.
739
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
27.1%
free-lunch eligible
- 51% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
35.2:1
students per teacher
- 64% above state mean
Top 98% in California - lower ratio than 2% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
1.1%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$8,754
per pupil, district-wide
- below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
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.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 62.5%
Hispanic or Latino 17.5%
Two or More 15.8%
Asian 2.6%
African American 1.0%
American Indian / Alaska Native 0.7%
Largest group: White at 62.5% of enrollment.
Student-body diversity index 55.3/100
Simpson diversity index - at 55.3, Heartwood Charter is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Heartwood Charter District, which includes Heartwood Charter.
$8,754
Per student
-47%
vs California
Avg $16,509
-47%
vs U.S.
Avg $16,593
Revenue mix
Local 33.2%
State 65.1%
Federal 1.7%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Similar other schools in Petaluma
2 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~739 students)
Next steps
Verify locally before acting on Heartwood Charter's federal record.
- Compare Heartwood Charter against another school. Compare schools
- Heartwood Charter District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Heartwood Charter
How many students attend Heartwood Charter?
Heartwood Charter has 739 students enrolled. It is a public school in Petaluma, CA.
What is the student-teacher ratio at Heartwood Charter?
The student-teacher ratio at Heartwood Charter is 35.2:1, which is 64% higher than the California average of 21.5:1 and 124% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Heartwood Charter?
27.1% of students at Heartwood Charter are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Heartwood Charter?
The largest demographic group at Heartwood Charter is White at 62.5% of enrollment, in Petaluma, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.3/100.
What is the Resource Investment Index for Heartwood Charter?
Heartwood Charter has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Heartwood Charter rank among schools in Petaluma?
By Resource Investment Index, Heartwood Charter ranks #1 of 3 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 schools in Petaluma on the city page.
Is Heartwood Charter a good school?
Heartwood Charter earns 42/100 on the Resource Investment Index, with class sizes larger than 98% of California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Heartwood Charter District?
None; Heartwood Charter District is a single-school charter district, and Heartwood Charter is its only campus.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.