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Average

#6690 of 9,539 schools in CA

John Muir Charter

High School · John Muir Charter District

960 McCourtney Rd. Ste. E, Grass Valley, CA 95949

Charter

Enrollment

589

Student-Teacher

16.4:1

Score

5.3

Grades

6th – 12th

Data vintage2022-23

How this school compares

California schools

#6,690 of 9,539

In Grass Valley

#15 of 21

public schools

Academic growth

9.5 / 10

Excellent

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John Muir Charter

5.3/10

High School in Grass Valley · grades 6th – 12th. Start here, then compare fit against nearby and district options.

Mount St. Mary Academy

Nearby

0.4 mi away. Use as a geographic alternative in the same move search.

Bell Hill Academy

8.7/10

0.5 mi away. Use as a geographic alternative in the same move search.

About John Muir Charter

John Muir Charter is a public high school in Grass Valley, CA, part of John Muir Charter District. John Muir Charter serves approximately 589 students, and covers grades 6th-12th, and has a 16.4:1 student-teacher ratio. John Muir Charter has a current MySchoolScout rating of 5.3 out of 10 and ranks #6,690 of 9,539 schools in CA.

Structured state assessment records for John Muir Charter show 2% math proficiency (multi-year average, 2018-2024) and 9% reading/ELA proficiency (multi-year average, 2018-2024).

How it compares1.2 pts below CA schools
  • This school 5.3 · Average
  • CA avg 6.5

What Parents Should Know

Test scores at John Muir Charter sit below average, but its growth scores are strong: students here make above-average progress year over year. The raw numbers haven't caught up, but a school that keeps moving kids forward is doing the harder, more important work.

John Muir Charter is a charter school: publicly funded, but run with more independence than a traditional district school. Many charters are built around a specific model or focus, so it's worth understanding this one's mission, how enrollment works, and how it differs from the district schools nearby.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.5Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change+0.13 pts/yr
Data Period2018–2024
TrendStable
Academics2.2Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency1.4% (2024 CAASPP)
Reading/ELA Proficiency9.9% (2024 CAASPP)
Math vs. State Avg-26.6 pts
Reading vs. State Avg-46 pts
Overall Proficiency6% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)22% (model expectation from 2024 CAASPP)
vs. Expected-16.3 pts
Adjusted Percentile6th
College Readiness2.0Needs Improvement30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate17%
IB ProgramNo
Resources & Environment8.8Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio16.4:1
Per-Pupil Spending$14,986

John Muir Charter — Students at John Muir Charter score 6% proficient, which is below what's typical for similar communities (expected: 22%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

92.9%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 2.0% (multi-year average, 2018-2024)
School
State
31.8% (2024 CAASPP)
ELA Proficiency 8.8% (multi-year average, 2018-2024)
School
State
51.5% (2024 CAASPP)

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2018
Math
2.5%
ELA
7.5%
2019
Math
2.5%
ELA
7.5%
2024
Math
1.5%
ELA
10%

Source: EdFacts (NCES) and state assessment data. Growth score: 9.5/10.

How John Muir Charter Compares

See how John Muir Charter performs across key quality dimensions compared to state benchmarks.

Overall Score
5.3/10
30th percentile in CA
Academic
2.2/10
Needs Improvement
Growth
9.5/10
Excellent
Environment
8.8/10
Excellent

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
93%
Teaching Staff
16:1 student-teacher ratio
36 teachers

Location

960 McCourtney Rd. Ste. E, Grass Valley, CA 95949

Nearby Alternatives

Families considering John Muir Charter may also want to explore other high schools in the area. William & Marian Ghidotti High (rated 8.8/10, 2.3 miles away), which scores notably higher. Another option is Bitney Prep High (rated 7.4/10, 2.3 miles away), which scores notably higher. Additionally, North Point Academy (rated 6.5/10, 2.3 miles away), which scores notably higher. For more schools in Grass Valley, see our Grass Valley schools guide .

Nearby Schools

20 within 4.1 mi
School Distance Rating
Mount St. Mary Academy Grass Valley 0.4 mi
Bell Hill Academy Grass Valley 0.5 mi 8.7
Silver Springs High (Continuation) Grass Valley 0.5 mi 6.3
Lyman Gilmore Middle Grass Valley 0.8 mi 5.2
Grass Valley Charter Grass Valley 0.8 mi 5.3
Margaret G. Scotten Elementary Grass Valley 0.9 mi 5.8
Yuba River Charter Grass Valley 1.3 mi 7.9
North Point Academy Grass Valley 2.3 mi 6.5
Union Hill Elementary Grass Valley 1.9 mi 5.5
Union Hill Middle Grass Valley 1.9 mi 8.2
Nevada Union High Grass Valley 2.3 mi 5.0
William & Marian Ghidotti High Grass Valley 2.3 mi 8.8
Bitney Prep High Grass Valley 2.3 mi 7.4
ECHO RIDGE CHRISTIAN SCHOOL Nevada City 2.7 mi 5.5
Echo Ridge Christian School Nevada City 2.7 mi
Earle Jamieson Educational Options Nevada City 3.5 mi
Deer Creek Elementary Nevada City 3.7 mi 6.9
Nevada County Special Education Nevada City 3.8 mi 4.9
Seven Hills Intermediate Nevada City 3.9 mi 6.7
Forest Charter Nevada City 4.1 mi 6.6

Neighborhood Census ACS (2019-2023)

Census data for ZIP 95949 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$90,309

Median Home Value

$551,700

Median Rent

$1,827/mo

Population

20,709

College Educated

32.3%

Homeownership

86.2%

Avg Commute

28.9 min

Poverty Rate

9.3%

Median Age

54.4

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Belmont Senior High Los Angeles, CA 5.3
MARIN CATHOLIC HIGH SCHOOL Kentfield, CA 5.3
McKinleyville High Mckinleyville, CA 5.3
West Shores High Salton City, CA 5.3
Aspire Golden State College Preparatory Academy Oakland, CA 5.2
BISHOP ALEMANY HIGH SCHOOL Mission Hills, CA 5.2

Frequently Asked Questions

Common questions about John Muir Charter

What grades does John Muir Charter serve?

John Muir Charter serves students in grades 6th through 12th.

How many students attend John Muir Charter?

John Muir Charter has an enrollment of approximately 589 students.

What is the student-teacher ratio at John Muir Charter?

The student-teacher ratio at John Muir Charter is 16.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does John Muir Charter rank in CA?

John Muir Charter ranks #6,690 of 9,539 schools in CA.

What is John Muir Charter's MySchoolScout rating?

John Muir Charter has a current MySchoolScout rating of 5.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at John Muir Charter?

Based on loaded state assessment records, John Muir Charter has 2% math proficiency (multi-year average, 2018-2024) and 9% reading/ELA proficiency (multi-year average, 2018-2024).

Is John Muir Charter a charter school?

Yes, John Muir Charter is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is John Muir Charter a Title I school?

No, John Muir Charter is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for John Muir Charter?

92.9% of students at John Muir Charter qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
52 Somewhat Walkable
Bike Score
26 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
6th – 12th
Enrollment
589
Student-Teacher Ratio
16.4:1
Teachers (FTE)
36
Free/Reduced Lunch
92.9%
Type
regular
Setting
Distant Town
County
Nevada County
4-Year Graduation
17.0%

District

John Muir Charter District
District Enrollment
589
Schools in District
1
Per-Pupil Spending
$14,986
District Rank
#1 of 1

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