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#6690 of 9,539 schools in CA

John Muir Charter

High School · John Muir Charter District · Grass Valley, CA

A charter high school in Grass Valley, CA where students score 16 points below what's typical for similar communities.

Charter

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

  • Math 2% vs CA 32% (2024)
  • Reading 10% vs CA 52% (2024)
  • 17.0% 4-year graduation

Academics

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, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio16.4:1
District spending per student$14,986

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

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency2%(2024 CAASPP)
School
State
32%(2024 CAASPP)
ELA Proficiency10%(2024 CAASPP)
School
State
52%(2024 CAASPP)

Trend

→ Steady

Proficiency has held near 6% across the 7-year record (2018–2024).

Show all 3 years by subject
2018
Math
3%
ELA
8%
2019
Math
3%
ELA
8%
2024
Math
2%
ELA
10%

Multi-year averages used by the rating model: math 2% (multi-year average, 2018-2024) · reading/ELA 9% (multi-year average, 2018-2024)

Based on 8 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

92.9%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where John Muir Charter sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 52Somewhat Walkable
  • Bike 26Somewhat Bikeable
  • City Safety: High2,743/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Grass Valley), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$90,309

Median home value

$551,700

Median rent

$1,827/mo

College educated

32.3%

Homeownership

86.2%

Poverty rate

9.3%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 95949; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

4 from a 5-mile search

SchoolScoreGradesDistanceEnrollmentCompare
Silver Springs High (continuation)Enrollment path unverified6.39–120.5 mi164Compare →
Bitney Prep HighCharter · enrollment unverified7.49–122.3 mi91Compare →
Nevada Union HighEnrollment path unverified5.09–122.3 mi1,457Compare →
North Point AcademyEnrollment path unverified6.59–122.3 mi130Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

John Muir Charter District

Schools in district
1
Rank in district
#1 of 1
District spending per student
$14,986NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
The source release did not match this district identifier.

John Muir Charter is listed in John Muir Charter District; a district label does not verify attendance for an address.

About John Muir Charter

John Muir Charter is a public high school in Grass Valley, CA, part of John Muir Charter District, serving approximately 589 students in grades 6th-12th with a 16.4:1 student-teacher ratio. It holds a MySchoolScout rating of 5.3 out of 10 and ranks #6,690 of 9,539 schools in CA. State assessment records show 2% math proficiency (multi-year average, 2018-2024) and 9% reading/ELA proficiency (multi-year average, 2018-2024).

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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
6th – 12th
Enrollment
589
Student-Teacher Ratio
16.4:1
Teachers (FTE)
36
Type
regular
Setting
Distant Town
County
Nevada County
4-Year Graduation
17.0%
Area population (ZIP 95949)
20,709
Area average commute
28.9 min
Area median age
54.4
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 95949; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2018-2024; directory SY 2023–24

About our data · How we calculate scores

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