Twin Hills Charter Middle
Intermediate/Middle Schools (Public)Grades 6–8Charter SchoolActive
1685 Watertrough Road, Sebastopol, CA 95472-4647
(707) 823-7446
Overall Score (2024-25)
↓ 0.5 ptsvs 2023-2464
out of 100
AverageTop 31% statewideData completeness: 100%
Academic Achievement82
CA avg
Academic Growth26
CA avg
Equity80
CA avg
School Climate56
CA avg
Score reflects percentile ranking among same-type schools. How is this calculated?
Test Scores (2024-25)
Percentage of students meeting or exceeding standards on CAASPP/CAST.
English Language Arts67.0%
CA avg 48.8%
Mathematics54.7%
CA avg 34.6%
Science / CAST (2024-25)49.2%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 06 | 58.3% | 36.7% | — | 60 |
| 07 | 70.7% | 62.2% | — | 82 |
| 08 | 70.5% | 62.3% | 49.2% | 61 |
Enrollment & Demographics (2024-25)
207
Total Students
21.3%
Free/Reduced Lunch
4.3%
English Learners
Staff (2024-25)
17.0:1
Pupil-Teacher Ratio
Chronic Absenteeism (2024-25)
↑ 5.3%17.6%
Chronically Absent
210
Students Tracked
Historical Trends
Year-over-year performance data from official CDE records.
Composite Score
ELA Proficiency %
Math Proficiency %
Science / CAST %
Chronic Absenteeism Rate %
Total Enrollment
Parent & Community Reviews
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Data sourced from the California Department of Education. CDS Code: 49709616052302. Academic Year: 2023-24 – 2024-25.