- Enrollment
- 305
- Students per teacher
- 21.8:1
- Resource Index
- 14/100
Elementary school (grades K-5) · Sebastopol, CA
Sunridge Charter
Federal NCES profile for Sunridge Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 20/100.
2024-25 NCES dataElementary school (grades K-5)NCES 064023010687Charter school
👥 S:T ratio 0
🌟 Gifted program 30
📋 Attendance 29
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sunridge Charter earns 20/100 on the Resource Investment Index, with class sizes larger than 83% of California schools.
- #8 of 9
- elementary schools in Sebastopol · Resource Index
- 20
- Resource Index · Lower
- 25.6:1
- large classes for California
- 34.2%
- free-lunch eligible
Sunridge Charter has class sizes larger than 83% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Sunridge Charter ranks #8 of 9 elementary schools in Sebastopol, CA.
School address
District: Twin Hills Union Elementary · California
NCES ID 064023010687 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-9 students YoY
Sunridge Charter held near 234 students from 2022-23 to 2023-24 (-9 headcount).
Teacher FTE lost 10.0 → 9.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-9 students YoY 064023010687 · Sebastopol, CA Elementary · SMALL · CHARTER
256 enr · 25.6:1 · 34.2% lunch · RII 20
Nearest enrollment peer: Apple Blossom (305 students)
Sunridge Charter held near 234 students from 2022-23 to 2023-24 (-9 headcount). Teacher FTE lost 10.0 → 9.6 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Sunridge Charter in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Apple Blossom
Apple Blossom
305 students
- This school
Sunridge Charter
256 students
- Orchard View
Orchard View
224 students
- Twin Hills Cha
Twin Hills Charter Middle
207 students
What this shows Sunridge Charter reports 256 students on the CCD universe file.
How Sunridge Charter compares
Sunridge Charter held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 25.6:1 | ▲ 19% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 34.2% | ▼ 38% | 55.5% | 51.7% |
| Enrollment | 256 | top 78% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.6:1
Leaner classes than 4% of US schools, heavier class loads than most.
256
Bigger than 26% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
34.2%
free-lunch eligible
- 38% 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
25.6:1
students per teacher
- 19% above state mean
Top 83% in California - lower ratio than 17% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
28.5%
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.
Funding equity
$15,776
per pupil, district-wide
- below California avg of $18,665
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
3
in-school suspensions + 1 out-of-school
Suspension rate: 1.2 per 100 students. Combined in-school and out-of-school rate: 1.6 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 76.4%
Hispanic or Latino 13.8%
Two or More 9.1%
African American 0.4%
Asian 0.4%
Largest group: White at 76.4% of enrollment.
Student-body diversity index 38.9/100
Simpson diversity index - at 38.9, Sunridge Charter is less mixed than the California school average of 46.0.
Programs
District finance for Twin Hills Union Elementary reports $15,776 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Sunridge Charter Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Apple Blossom | Similar size | Lower economic need | Lower S:T ratio |
| Orchard View | Similar size | Lower economic need | Lower S:T ratio |
| Twin Hills Charter Middle | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Sunridge Charter's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 224
- Students per teacher
- 17.2:1
- Resource Index
- 31/100
- Enrollment
- 207
- Students per teacher
- 17.3:1
- Resource Index
- 40/100
Similar elementary schools in Sebastopol
6 comparable elementary schools (grades K-5) serving the same city.
Gravenstein Elementary
Standard public school
464 students 19.3:1 students per teacher
Apple Blossom
Standard public school
305 students 21.8:1 students per teacher
Sebastopol Independent Charter
Standard public school
286 students 20.4:1 students per teacher
Park Side Elementary
Standard public school
268 students 24.4:1 students per teacher
Brook Haven Middle
Standard public school
212 students 19.3:1 students per teacher
Oak Grove Elementary
Standard public school
91 students 22.8:1 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 (~256 students)
Frequently asked questions about Sunridge Charter
How many students attend Sunridge Charter?
Sunridge Charter has 256 students enrolled. It is an elementary school in Sebastopol, CA. CCD year-over-year: 243 (2022-23) → 234 (2023-24), nearly flat (-9).
What is the student-teacher ratio at Sunridge Charter?
The student-teacher ratio at Sunridge Charter is 25.6:1, which is 19% higher than the California average of 21.5:1 and 63% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sunridge Charter?
34.2% of students at Sunridge Charter are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Sunridge Charter?
The largest demographic group at Sunridge Charter is White at 76.4% of enrollment, in Sebastopol, CA.
What is the Resource Investment Index for Sunridge Charter?
Sunridge Charter has a Resource Investment Index of 20/100 (lower 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 Sunridge Charter rank among elementary schools in Sebastopol?
By Resource Investment Index, Sunridge Charter ranks #8 of 9 elementary schools in Sebastopol, 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 Sebastopol on the city page.
What other schools are in Twin Hills Union Elementary?
Besides Sunridge Charter, Twin Hills Union Elementary also operates Apple Blossom (305 students), Orchard View (224 students), and Twin Hills Charter Middle (207 students). See the Twin Hills Union Elementary district page for the complete list.