How does Bitney Prep High compare to other high schools in Grass Valley?

Bitney Prep High has a Scope Score of 35/100, ranked #1231 among California high schools. 16% of students exceed standard, with a total of 45 students tested across grades and subjects.

What percentage of students exceed standards at Bitney Prep High?

15.9% of students at Bitney Prep High exceed the state standard on CAASPP assessments, while 42.7% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

What is the chronic absenteeism rate at Bitney Prep High?

37.4% of students at Bitney Prep High are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in the Scope Score.

Bitney Prep High

High School

Nevada County Office of EducationGrass Valley, Nevada County95945Charter School

📍 135 Joerschke Drive 📞 (530) 477-1235 🌐 Website

Charter school — publicly funded, independently operated, open enrollment via lottery. Learn more

Scope Score

out of 100

State Rank

of 1,649 California high schools

🌱

Building Momentum

Every school has strengths the data doesn’t fully capture. Visit and see for yourself.

Both outcomes and funding trail the state average

Scope Scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

Score Factors

Helping

✓Exceeded standard: 15.9%

0.2pp above state avg (state avg 15.7%)

20% weight

✓Met or exceeded: 42.7%

7.9pp above state avg (state avg 34.8%)

15% weight

✓Baseline proficiency: 42.7%

Above state baseline (state avg 34.8%)

5% weight

Holding Back

▼Graduation rate: 75.0%

12.4pp below state avg (state avg 87.4%)

25% weight

▼College readiness: 0.0%

AP exam pass rate below state avg (state avg 35.3%)

20% weight

▼Chronic absenteeism: 37.4%

3.1pp above state avg (state avg 34.3%)

10% weight

▼Suspension rate: 9.8%

5.7pp above state avg (state avg 4.1%)

5% weight

Unlike traditional school ratings, we show our work. Every factor, its weight, and how this school compares to the state average — so you can decide what matters most to your family. The high school Scope Score is weighted across 7 dimensions. See full methodology →

College & career readiness

Graduation Rate

75.0%

AP Exam Prepared

Not offered

This school may not offer AP courses

A-G Completion

5.6%

College-Going Rate

29.4%

Data source: California Department of Education — ACGR, CCI, CGR reports

5-year trend

↓ 2.3 points since 2019

Rank: #1138 → #1307 → #1251 → #1223 → #1231Exceeded: 21% → 8% → 16% → 10% → 16%

2019 · 2022 · 2023 · 2024 · 2025 · No testing 2020–21 (COVID) · Scope Score based on CAASPP, absenteeism & suspension data

Key metrics

% Exceeded Standard

15.9%

Students scoring above proficient

% Met or Above

42.7%

Students meeting standard

Chronic Absenteeism

37.4%

Students missing 10%+ of days

Suspension Rate

9.8%

Students suspended at least once

Total Tested

Across all grades & subjects

ELA scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
11th	22	31.8%	31.8%	18.2%	18.2%	63.6%

Math scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
11th	23	0.0%	21.7%	26.1%	52.2%	21.7%

Science (CAST)

Level	%
Exceeded	5.9%
Met	41.2%
Nearly Met	47.1%
Not Met	5.9%
Met+	47.1%

17 students tested · CAST is tested in grades 5, 8, and once in high school — not annually like ELA/Math. Not included in the Scope Score. · Data source: CDE CAST 2025

What other rankings don't show you

Most rating sites report "43% proficient" for Bitney Prep High and stop there. Here's what that number hides:

15.9% of students exceeded standard while 26.8% met it. That exceeded rate is near the state average of 15.7%. That's 4.0 points above the Nevada County Office of Education district average of 11.9%. The 4 nearby schools within ~3 miles average 30.3% exceeded — 14.4 points higher. The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

The graduation rate is 75.0%. 5.6% of students complete A-G requirements for UC/CSU eligibility. 29.4% of graduates go on to college within a year.

Chronic absenteeism is 37.4%, above the state average of 34.3%.

Why the exceeded vs. met split matters →

A low score doesn't tell the whole story. Read: Your School Scored Low — Here's What That Actually Means

How to get into a charter school in LA →