Sunridge Charter

Sunridge Charter is one of the compact K-5 schools in Sebastopol, California, one of the schools within Twin Hills Union Elementary, with 256 students on its rolls from grades K through 8. Enrollment runs roughly 45% leaner than the state mean of about 465.

Twin Hills Union Elementary runs 4 schools in total, collectively educating 992 students. Sunridge Charter is one of those campuses.

Demographically, Sunridge Charter logs that the largest single group is White, at 76% of enrollment. The remainder consists of 14% Hispanic, 9% multiracial. The wider county runs roughly 62% White, putting the school's mix considerably more White than the area baseline.

Looking at school resources, Staff filings list 10 full-time-equivalent teachers, which works out to roughly 25.6:1 students per teacher. Statewide, the average ratio sits near 22.3:1, putting Sunridge Charter higher than the state norm the norm. Around 32% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. That share is below Sonoma County's rate of about 51%.

Adjusting for the school's free-and-reduced-lunch share, Sunridge Charter sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 60.2%; this one delivers 55.5%.

In the broader community, community-level numbers for Sonoma County indicate the typical household earns roughly $104,674 per year, roughly 39% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 5%. In all, Sonoma County runs 184 public schools (combined enrollment of about 63,389 students), of which Sunridge Charter is one.

Nearest neighbor: Park Side Elementary, around 0.6 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Sunridge Charter at 3rd of 7; the average score across the group is 50.4%.

The campus sits in a town-center setting. Sunridge Charter 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. Over the past 7-year window, the student count contracted 10%: 284 students in 2018 compared to 256 in 2025.

On this page, posts here usually surface around classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.