Twin Hills Charter Middle

Twin Hills Charter Middle operates as a very small middle-grades school in Sebastopol, California, run under Twin Hills Union Elementary. Current enrollment sits at 207 students spanning grades 6 through 8. Enrollment runs roughly 69% leaner than the state mean of about 659.

Across the 4 schools in Twin Hills Union Elementary (992 students total), Twin Hills Charter Middle accounts for its share of the district's footprint.

On demographics, Twin Hills Charter Middle shows that 58% of the student body identifies as White. The remainder consists of 24% Hispanic, 15% multiracial. That mix tracks the wider county fairly closely.

In terms of school funding signals, The school employs 12 full-time-equivalent teachers, for a student-teacher ratio near 16.9:1. Statewide, the average ratio sits near 20.7:1, putting Twin Hills Charter Middle tighter than the state norm the norm. An estimated 21% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Sonoma County runs at roughly 51%, so the school's eligibility rate is meaningfully below the surrounding baseline.

With demographic context factored in, Twin Hills Charter Middle tracks the demographic baseline. The model predicts 66.8% given the school's FRL share; actual proficiency is 60.2%.

Around the school, community-level numbers for Sonoma County indicate the typical household earns roughly $104,674 per year, about 39% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 5%. Across Sonoma County's 184 public schools (combined enrollment of about 63,389 students), Twin Hills Charter Middle is one campus in the mix.

The closest other public school is Apple Blossom, roughly 1.1 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Twin Hills Charter Middle at 1st of 7; the average score across the group is 49.6%.

Twin Hills Charter Middle operates from a town-center location. Twin Hills Charter Middle operates as a public charter school, meaning it is publicly funded but governed independently of the surrounding district's traditional schools.

Trend over the last 7 years. Looking back 7 years, enrollment at Twin Hills Charter Middle has edged down 22%, going from 267 students in 2018 to 207 in 2025. Over the same period, the White share edged down from 68% to 58%.

Inside the community feed, recent activity here tends to focus on enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.