Bitney Prep High
School pathway
Test scores
CAASPP 2023-24 . % met or exceeded standardWhat this means: On the CAASPP, California's statewide test, about 62 of every 100 students at this school read and write at grade level and about 29 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 16 points since 2014, while math scores are down about 3 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 45% of students here test proficient in math and reading, compared with the roughly 45% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Bitney Prep High
Bitney Prep High is a senior high of one-room-style scale in Grass Valley, California, run under Nevada County Office of Education, teacheing 91 students in grades 9 through 12. By comparison, California's public schools average about 838 students each, so Bitney Prep High sits 89% below that benchmark.
Across the 5 schools in Nevada County Office of Education (1,200 students total), Bitney Prep High accounts for its share of the district's footprint.
On demographics, Bitney Prep High reports that the largest single group is White at 52%, but no single group is in the majority. Other groups include 30% multiracial, 8% Hispanic. That is considerably less White than the county at large, where the share is closer to 84%.
In terms of school funding signals, The school reports having 7 full-time-equivalent teachers, for a student-teacher ratio near 13.1:1. That figure is tighter than the state norm's 18.2:1 average. An estimated 57% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. Set against Nevada County (around 43%), the school's rate is noticeably above typical.
Adjusting for the school's free-and-reduced-lunch share, Bitney Prep High tracks the demographic baseline. The model predicts 45.5% given the school's FRL share; actual proficiency is 45.2%.
Across the wider county, community-level numbers for Nevada County indicate the typical household earns roughly $89,882 per year, 42% of adults hold a bachelor's degree or higher, and the poverty rate sits near 7%. In all, Nevada County runs 46 public schools (combined enrollment of about 13,561 students), of which Bitney Prep High is one.
The closest other public school is William & Marian Ghidotti High, roughly 0.3 miles away. Within five miles, there are 8 other public schools. Among the 5 schools in that immediate cluster with test data (this one included), Bitney Prep High ranks 4th on composite proficiency, below the local average of 48.2%.
The school occupies a town-based site. Bitney Prep High is a charter school, which puts it inside the public-school system but outside the standard district-managed model.
Five-year trend. Looking back 7 years, enrollment at Bitney Prep High has increased 3%, going from 88 students in 2018 to 91 in 2025. Over the same period, the White share declined from 82% to 52%. The student-to-teacher ratio pulled in from 14.7:1 in 2018 to 13.1:1 today.
On this page, the page collects discussion, questions, and updates around classroom updates, athletics, and weather closures. Members of the school community can share what they know.
Nevada County at a glance
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