Very Good
#2017 of 9,539 schools in CA
Top 21% in state
Twin Hills Charter Middle
Middle School · Twin Hills Union Elementary · Sebastopol, CA
A Twin Hills Union Elementary charter middle school serving grades 6th – 8th.
1685 Watertrough Rd., Sebastopol, CA 95472
- Math 52% vs CA 34% (2024)
- Reading 69% vs CA 47% (2024)
- 15.9:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Twin Hills Charter Middle score 60% proficient, which is above what's typical for similar communities (expected: 60%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
→ SteadyProficiency is down 14 points across the 16-year record (2009–2024) and has held near 60% recently.
Show all 12 years
Multi-year averages used by the rating model: math 55% (multi-year average, 2009-2024) · reading/ELA 69% (multi-year average, 2009-2024)
Based on 30 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
26.1%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Twin Hills Charter Middle sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 19Car-Dependent
- Bike 7Somewhat Bikeable
- City Safety: High2,072/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Sebastopol), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$109,775
Median home value
$995,200
Median rent
$1,918/mo
College educated
50.2%
Homeownership
72%
Poverty rate
9.2%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 95472; this is area context, not an attendance boundary.
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Orchard ViewCharter · enrollment unverified | 7.9 | K–12 | 1.1 mi | 228 | Compare → |
| Brook Haven MiddleEnrollment path unverified | 8.3 | 5–8 | 1.5 mi | 197 | Compare → |
| Hillcrest MiddleCharter · enrollment unverified | 7.7 | 6–8 | 1.8 mi | 289 | Compare → |
| Greenacre HomesPrivate · tuition | 6.5private | 3–12 | 3.2 mi | 52 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Twin Hills Union Elementary
- Schools in district
- 4
- Rank in district
- #2 of 4
- District spending per student
- $15,776NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 7.3%Census SAIPE · 2024
Twin Hills Charter Middle is listed in Twin Hills Union Elementary; a district label does not verify attendance for an address.
About Twin Hills Charter Middle
Twin Hills Charter Middle is a public middle school in Sebastopol, CA, part of Twin Hills Union Elementary, serving approximately 207 students in grades 6th-8th with a 15.9:1 student-teacher ratio. It holds a MySchoolScout rating of 7.8 out of 10 and ranks #2,017 of 9,539 schools in CA. State assessment records show 55% math proficiency (multi-year average, 2009-2024) and 69% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Twin Hills Charter Middle
What grades does Twin Hills Charter Middle serve?
Twin Hills Charter Middle serves students in grades 6th through 8th.
How many students attend Twin Hills Charter Middle?
Twin Hills Charter Middle has an enrollment of approximately 207 students.
What is the student-teacher ratio at Twin Hills Charter Middle?
The student-teacher ratio at Twin Hills Charter Middle is 15.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Twin Hills Charter Middle rank in CA?
Twin Hills Charter Middle ranks #2,017 of 9,539 schools in CA.
What is Twin Hills Charter Middle's MySchoolScout rating?
Twin Hills Charter Middle has a current MySchoolScout rating of 7.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Twin Hills Charter Middle?
Based on loaded state assessment records, Twin Hills Charter Middle has 55% math proficiency (multi-year average, 2009-2024) and 69% reading/ELA proficiency (multi-year average, 2009-2024).
Is Twin Hills Charter Middle a charter school?
Yes, Twin Hills Charter Middle is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Twin Hills Charter Middle a Title I school?
No, Twin Hills Charter Middle is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Twin Hills Charter Middle?
26.1% of students at Twin Hills Charter Middle qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 6th – 8th
- Enrollment
- 207
- Student-Teacher Ratio
- 15.9:1
- Teachers (FTE)
- 13
- Type
- regular
- Setting
- Fringe Town
- County
- Sonoma County
- Chronic Absenteeism (SY 2022-23)
- 20.3%
- Phone
- (707) 823-7446
- Area population (ZIP 95472)
- 28,588
- Area average commute
- 27.1 min
- Area median age
- 50.9
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 95472; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
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