Excellent
#1119 of 9,533 schools in CA
Top 12% in state
Twin Hills Charter Middle
Middle School · Twin Hills Union Elementary
1685 Watertrough Rd., Sebastopol, CA 95472
Enrollment
207
Student-Teacher
15.9:1
Score
8.2
Grades
6th – 8th
Enrollment
207
Student-Teacher
15.9:1
Score
8.2
Grades
6th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Sebastopol
#2 of 13
public schools
California middle schools
#119 of 1,349
In district
#1 of 4
Twin Hills Union Elementary
School environment
8.9 / 10
Exceptional
About Twin Hills Charter Middle
Twin Hills Charter Middle is a public middle school in Sebastopol, CA, part of the Twin Hills Union Elementary. The school serves approximately 207 students in grades 6th – 8th with a student-teacher ratio of 15.9:1. It holds a MySchoolScout rating of 8.2/10, placing it in the 88.3th percentile among CA schools — an above average rating overall.
Students demonstrate 52% proficiency in math, 18 points above the state average and 69% in reading/language arts, 22 points above the state average. The school scores particularly well in school environment (8.9/10). Located in a neighborhood with a median household income of $109,775, where 50% of adults hold a bachelor's degree or higher.
The school is situated in a fringe town setting.
What Parents Should Know
Twin Hills Charter Middle is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Twin Hills Charter Middle — Students at Twin Hills Charter Middle score 60% proficient, which is below what's typical for similar communities (expected: 60%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
26.1%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 10 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.0/10.
How Twin Hills Charter Middle Compares
See how Twin Hills Charter Middle performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 51% (2019) to 51.72% (2024). Reading/ELA proficiency has remained stable from 70% (2019) to 68.47% (2024).
Location
1685 Watertrough Rd., Sebastopol, CA 95472
Nearby Alternatives
Families considering Twin Hills Charter Middle may also want to explore other middle schools in the area. Hillcrest Middle (rated 7.1/10, 1.8 miles away), a more accessible option. Additionally, Brook Haven Middle (rated 6.8/10, 1.5 miles away), a more accessible option. For more schools in Sebastopol, see our Sebastopol schools guide .
Nearby Schools
20 within 4.4 mi| School | Distance | Rating |
|---|---|---|
| PLEASANT HILL CHRISTIAN SCHOOL Sebastopol | 0.1 mi | 5.0 |
| Apple Blossom Sebastopol | 1.1 mi | 6.2 |
| Orchard View Sebastopol | 1.1 mi | 6.8 |
| Sunridge Charter Sebastopol | 1.2 mi | 6.7 |
| Park Side Elementary Sebastopol | 1.5 mi | 8.2 |
| Brook Haven Middle Sebastopol | 1.5 mi | 6.8 |
| Analy High Sebastopol | 2.0 mi | 7.6 |
| Hillcrest Middle Sebastopol | 1.8 mi | 7.1 |
| Sebastopol Independent Charter Sebastopol | 2.4 mi | 7.6 |
| GREENACRE HOMES Sebastopol | 3.2 mi | 6.5 |
| Greenacre Homes & School - Atkinson Sebastopol | 3.2 mi | — |
| Gravenstein Elementary Sebastopol | 3.1 mi | 6.5 |
| Gravenstein First Sebastopol | 3.1 mi | 7.1 |
| Plumfield Academy Sebastopol | 3.5 mi | — |
| PLUMFIELD ACADEMY Sebastopol | 3.5 mi | — |
| Oak Grove Elementary Sebastopol | 4.0 mi | 7.4 |
| Oak Grove Elementary/Willowside Middle Santa Rosa | 4.4 mi | 7.2 |
| SUMMERFIELD WALDORF SCHOOL AND FARM Santa Rosa | 4.6 mi | 6.6 |
| Summerfield Waldorf School and Farm Santa Rosa | 4.6 mi | — |
| Wright Charter Santa Rosa | 4.4 mi | 4.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 95472 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$109,775
Median Home Value
$995,200
Median Rent
$1,918/mo
Population
28,588
College Educated
50.2%
Homeownership
72%
Avg Commute
27.1 min
Poverty Rate
9.2%
Median Age
50.9
Community Profile
The community surrounding Twin Hills Charter Middle has a median household income of $109,775. It is a well-educated community where 50% of adults hold a bachelor's degree or higher. The median home value in the area is $995,200, with a median rent of $1,918/month. The local poverty rate of 9.2% is relatively low. The average commute for residents is 27 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| PUC Inspire Charter Academy Burbank, CA | 8.2 |
| Holtville Middle Holtville, CA | 8.3 |
| Los Nietos Middle Los Nietos, CA | 8.3 |
| Marshall Middle Pomona, CA | 8.0 |
| Malibu Middle Malibu, CA | 8.4 |
| C. T. English Middle Los Gatos, CA | 7.9 |
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 is ranked #1119 out of 9,533 schools in CA.
What is Twin Hills Charter Middle's MySchoolScout rating?
Twin Hills Charter Middle has a composite rating of 8.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Twin Hills Charter Middle?
Based on the most recent state assessment data, Twin Hills Charter Middle has 51.6% math proficiency and 68.9% reading/ELA proficiency.
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.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Sebastopol). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 207
- Student-Teacher Ratio
- 15.9:1
- Teachers (FTE)
- 13
- Free/Reduced Lunch
- 26.1%
- Type
- regular
- Setting
- Fringe Town
- County
- Sonoma County
- Phone
- (707) 823-7446
- Data Year
- 2023–2024
Resources & Links
District
Twin Hills Union Elementary- District Enrollment
- 957
- Schools in District
- 4
- Per-Pupil Spending
- $15,776
- District Rank
- #1 of 4
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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