Twin Ridges Home Study Charter
School pathway
Test scores
CAASPP 2023-24 . % met or exceeded standardWhat this means: On the CAASPP, California's statewide test, about 38 of every 100 students at this school read and write at grade level and about 28 of 100 do math at grade level. Across all California schools, those numbers are about 47 and 36. Reading and writing scores are down about 11 points since 2014, while math scores are up about 4 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 34% of students here test proficient in math and reading, below the roughly 51% typical for California schools with a similar share of low-income students. BeatsExpectations compares each school with others at the same poverty level, not by raw scores, so a school lands here when its results trail those comparable schools, which is not the same as having low scores. A higher-scoring school can still fall in this tier if similar schools score higher still.
7-year change
SY 2017-18 vs SY 2024-25About Twin Ridges Home Study Charter
Located at 111 New Mohawk Rd., in Nevada City, California, Twin Ridges Home Study Charter is an intimate primary school that hosts 208 students (grades K through 8), one of the schools within Nevada County Office of Education. That puts it 55% smaller than the typical public school in California, which averages around 465 students.
Nevada County Office of Education comprises 5 schools with combined enrollment of 1,200 students; Twin Ridges Home Study Charter is among them.
Looking at the student body, Twin Ridges Home Study Charter shows that 78% of the student body identifies as White; the rest is composed of 10% multiracial, 7% Hispanic.
On the income-and-resources front, Staff filings list 11 full-time-equivalent teachers, which works out to roughly 19.2:1 students per teacher. The state averages around 22.3:1, so this campus is tighter than the state norm typical. Roughly 48% of students at Twin Ridges Home Study Charter qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.
On a demographically-adjusted basis, Twin Ridges Home Study Charter falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 50.9%; this one comes in at 33.8%, -17.1 points off the demographic line.
Zooming out to the county, the surrounding county (Nevada County) records that median household earnings sit near $89,882, roughly 42% of adults have completed at least a four-year degree, and roughly 7% of residents live below the federal poverty line. In all, Nevada County runs 46 public schools (combined enrollment of about 13,561 students), of which Twin Ridges Home Study Charter is one.
Forest Charter is the nearest neighboring public school, about 0.7 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 5 schools in that immediate cluster with test data (this one included), Twin Ridges Home Study Charter ranks 5th on composite proficiency, below the local average of 45.6%.
Geographically, the school is in a town-center area. Twin Ridges Home Study Charter operates as a public charter school, meaning it is publicly funded but governed independently of the surrounding district's traditional schools.
Five-year trend. Looking back 7 years, enrollment at Twin Ridges Home Study Charter has grew 23%, going from 169 students in 2018 to 208 in 2025. The White share of enrollment rose from 73% to 78% over that span. The student-to-teacher ratio narrowed from 24.9:1 in 2018 to 19.2:1 today.
Inside the community feed, the feed for Twin Ridges Home Study Charter typically covers science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.
Nevada County at a glance
View full county profileQuick facts
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