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Twin Hills Charter Middle

🇺🇸 Official data · 2025Sebastopol, California 95472 · Twin Hills Union Elementary

72.6/ 100
Success Index (US)
Top 25%

#155 of 1,334 middle schools in California
#2826 of 15,369 nationally

How is this calculated?
Students
207
Enrollment
207
Source: NCES CCD
Free/reduced-price lunch
21.3%
Source: NCES CCD
Students per teacher
17.3
Source: NCES CCD

About Twin Hills Charter Middle

Twin Hills Charter Middle is a charter middle located in Sebastopol, in the Twin Hills Union Elementary school district of California, United States. It caters for Grades 6–8. In 2025 it enrolled 207 students. Publicly funded charter schools operating under a performance contract; free to attend.

Its Success Index (US) is 72.6 out of 100, placing it in the top 25% of middle schools in United States and 155th of 1,334 ranked middle schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (90th percentile), and its weakest is students per teacher (36th percentile).

Other published figures: enrollment 207.

There are 12 schools in Sebastopol; Twin Hills Charter Middle ranks 2nd of 11 scored schools there.

Success Index (US) breakdown

Each component is a percentile against middle schools across United States.

  • Math proficiency (30%)51%
  • Reading proficiency (30%)70%
  • Community advantage (fewer free/reduced-price lunch) (25%)21.3%
  • Students per teacher (15%)17.3

The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for Twin Hills Charter Middle by the official sources.

Enrollment
207
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
21.3%
Share of students eligible for free or reduced-price lunch.
Students per teacher
17.3
Enrollment divided by FTE teachers; not class size.
Reading proficiency
70%
Share of tested students proficient or above (all students, all grades).
Math proficiency
51%
Share of tested students proficient or above (all students, all grades).

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Schools near Twin Hills Charter Middle

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Charter middle schools in California with a comparable Enrollment.

Frequently asked questions

Is Twin Hills Charter Middle a good school?

Twin Hills Charter Middle has a Success Index (US) of 72.6 out of 100 (Top 25% of middle schools in United States) and ranks #155 of 1,334 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does Twin Hills Charter Middle rank in California?

Twin Hills Charter Middle ranks #155 of 1,334 middle schools in California and #2826 of 15,369 nationally on the Success Index (US) (2025 data).

How many students attend Twin Hills Charter Middle?

Twin Hills Charter Middle had 207 students in 2025.

Is Twin Hills Charter Middle a elementary school or a high school?

Twin Hills Charter Middle is classified as a middle covering Grades 6–8. It is a charter school.

What other schools are near Twin Hills Charter Middle?

There are 10 schools within 15 km of Twin Hills Charter Middle; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.