- Enrollment
- 305
- Students per teacher
- 21.8:1
- Resource Index
- 14/100
Middle school (grades 6-8) · Sebastopol, CA
Twin Hills Charter Middle
Federal NCES profile for Twin Hills Charter Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 064023006653Charter school
👥 S:T ratio 31
🌟 Gifted program 30
🎓 Counselors 59
📋 Attendance 40
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Twin Hills Charter Middle earns 40/100 on the Resource Investment Index, with class sizes smaller than 82% of California schools.
- #5 of 14
- public schools in Sebastopol · Resource Index
- 40
- Resource Index · Typical
- 17.3:1
- small classes for California
- 24.5%
- free-lunch eligible
Twin Hills Charter Middle has class sizes smaller than 82% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Twin Hills Charter Middle ranks #5 of 14 public schools in Sebastopol, CA.
School address
District: Twin Hills Union Elementary · California
NCES ID 064023006653 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+3 students YoY
Twin Hills Charter Middle held near 207 students from 2022-23 to 2023-24 (+3 headcount).
Teacher FTE added 12.8 → 13.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+3 students YoY 064023006653 · Sebastopol, CA Middle · SMALL · CHARTER
207 enr · 17.3:1 · 24.5% lunch · RII 40
Nearest enrollment peer: Apple Blossom (305 students)
Twin Hills Charter Middle held near 207 students from 2022-23 to 2023-24 (+3 headcount). Teacher FTE added 12.8 → 13.8 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Twin Hills Charter Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Apple Blossom
Apple Blossom
305 students
- Sunridge Chart
Sunridge Charter
256 students
- Orchard View
Orchard View
224 students
- This school
Twin Hills Charter Middle
207 students
What this shows Twin Hills Charter Middle reports 207 students on the CCD universe file.
How Twin Hills Charter Middle compares
Twin Hills Charter Middle 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 | 17.3:1 | ▼ 20% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 24.5% | ▼ 56% | 55.5% | 51.7% |
| Enrollment | 207 | top 82% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.3:1
Leaner classes than 29% of US schools, heavier class loads than most.
207
Bigger than 20% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
24.5%
free-lunch eligible
- 56% 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
17.3:1
students per teacher
- 20% below state mean
Top 18% in California - lower ratio than 82% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
24.2%
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
Counselors1.0 FTE
Per 207 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 11 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 5.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 58.8%
Hispanic or Latino 24.5%
Two or More 15.2%
Asian 1.0%
African American 0.5%
Largest group: White at 58.8% of enrollment.
Student-body diversity index 57.1/100
Simpson diversity index - at 57.1, Twin Hills Charter Middle is more 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 Twin Hills Charter Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Apple Blossom | Larger | Similar economic need | Higher S:T ratio |
| Sunridge Charter | Similar size | Similar economic need | Higher S:T ratio |
| Orchard View | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Twin Hills Charter Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 256
- Students per teacher
- 25.6:1
- Resource Index
- 20/100
- Enrollment
- 224
- Students per teacher
- 17.2:1
- Resource Index
- 31/100
Similar middle schools in Sebastopol
1 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 (~207 students)
Frequently asked questions about Twin Hills Charter Middle
How many students attend Twin Hills Charter Middle?
Twin Hills Charter Middle has 207 students enrolled. It is a middle school in Sebastopol, CA. CCD year-over-year: 204 (2022-23) → 207 (2023-24), nearly flat (+3).
What is the student-teacher ratio at Twin Hills Charter Middle?
The student-teacher ratio at Twin Hills Charter Middle is 17.3:1, which is 20% lower than the California average of 21.5:1 and 10% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Twin Hills Charter Middle?
24.5% of students at Twin Hills Charter Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Twin Hills Charter Middle?
The largest demographic group at Twin Hills Charter Middle is White at 58.8% of enrollment, in Sebastopol, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.1/100.
What is the Resource Investment Index for Twin Hills Charter Middle?
Twin Hills Charter Middle has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Twin Hills Charter Middle rank among public schools in Sebastopol?
By Resource Investment Index, Twin Hills Charter Middle ranks #5 of 14 public 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 public schools in Sebastopol on the city page.
What other schools are in Twin Hills Union Elementary?
Besides Twin Hills Charter Middle, Twin Hills Union Elementary also operates Apple Blossom (305 students), Sunridge Charter (256 students), and Orchard View (224 students). See the Twin Hills Union Elementary district page for the complete list.