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Average

#5386 of 9,539 schools in CA

Granite Mountain Charter

School · Granite Mountain Charter District

8560 Aliento Rd., Lucerne Valley, CA 92356

Charter

Enrollment

3,942

Student-Teacher

28.6:1

Score

6.0

Grades

Kindergarten – 12th

Data vintage2022-23

How this school compares

California schools

#5,386 of 9,539

In Lucerne Valley

#4 of 5

public schools

Academic growth

9.7 / 10

Excellent

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Granite Mountain Charter

6.0/10

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

Mountain View High

Nearby

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

Southern California Flex Academy

7.3/10

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

About Granite Mountain Charter

Granite Mountain Charter is a public school in Lucerne Valley, CA, part of Granite Mountain Charter District. Granite Mountain Charter serves approximately 3,942 students, and covers grades Kindergarten-12th, and has a 28.6:1 student-teacher ratio. Granite Mountain Charter has a current MySchoolScout rating of 6.0 out of 10 and ranks #5,386 of 9,539 schools in CA.

Structured state assessment records for Granite Mountain Charter show 26% math proficiency (multi-year average, 2020-2024) and 44% reading/ELA proficiency (multi-year average, 2020-2024).

How it comparesOn par with CA schools
  • This school 6.0 · Average
  • CA avg 6.3

What Parents Should Know

Granite Mountain Charter is a large school: 3,942 students. Size usually brings more course choices and activities than a smaller school can staff, but kids can also blend into the crowd. Ask how the school keeps students known and supported.

Granite Mountain Charter runs 28.6:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

Granite Mountain 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 Progress9.7Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change+0.5 pts/yr
Data Period2020–2024
TrendStable
Academics5.4Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency27.8% (2024 CAASPP)
Reading/ELA Proficiency42.5% (2024 CAASPP)
Math vs. State Avg-17.9 pts
Reading vs. State Avg-0.3 pts
Overall Proficiency35% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)48% (model expectation from 2024 CAASPP)
vs. Expected-12.5 pts
Adjusted Percentile36th
College Readiness4.6Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate87%
AP Participation0.2%
IB ProgramNo
Resources & Environment4.1Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio28.6:1
Per-Pupil Spending$13,611
Chronic Absenteeism1%

Granite Mountain Charter — Students at Granite Mountain Charter score 35% proficient, which is below what's typical for similar communities (expected: 48%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

47.5%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 26.3% (multi-year average, 2020-2024)
School
State
35.7% (2024 CAASPP)
ELA Proficiency 43.9% (multi-year average, 2020-2024)
School
State
47.1% (2024 CAASPP)

Based on 22 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

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

2020*
Math
23%
ELA
45%
2021*
Math
23%
ELA
45%
2022
Math
24%
ELA
42.1%
2024
Math
27.4%
ELA
43.9%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 9.7/10.

How Granite Mountain Charter Compares

See how Granite Mountain Charter performs across key quality dimensions compared to state benchmarks.

Overall Score
6.0/10
44th percentile in CA
Academic
5.4/10
Average
Growth
9.7/10
Excellent
Environment
4.1/10
Below Average
AP Courses
2
State avg: 2.6
Advanced STEM
5/5
Subjects offered

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
48%
Teaching Staff
29:1 student-teacher ratio
138 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
1.0%

Programs & Offerings

AP/IB Programs2 AP courses offered
0.2% participation·State avg: 2.6 AP courses·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

8560 Aliento Rd., Lucerne Valley, CA 92356

Nearby Alternatives

Families considering Granite Mountain Charter may also want to explore other schools in the area. Southern California Flex Academy (rated 7.3/10), which scores notably higher. Additionally, High Desert Premier Academy (rated 4.5/10, 16.7 miles away, in nearby Apple Valley), a more accessible option. For more schools in Lucerne Valley, see our Lucerne Valley schools guide .

Nearby Schools

20 within 16.8 mi
School Distance Rating
Mountain View High Lucerne Valley 0.0 mi
Southern California Flex Academy Lucerne Valley 0.0 mi 7.3
Lucerne Valley Elementary Lucerne Valley 3.4 mi 4.8
Lucerne Valley Middle Lucerne Valley 3.7 mi 6.0
Lucerne Valley High Lucerne Valley 3.7 mi 7.6
North Shore Elementary Big Bear Lake 10.3 mi 6.2
Calvary Chapel Big Bear Christian School Big Bear City 10.4 mi
Big Bear Middle Big Bear Lake 11.6 mi 5.1
Big Bear High Big Bear Lake 11.6 mi 6.9
Chautauqua High (Continuation) Big Bear Lake 11.6 mi 4.2
Baldwin Lane Elementary Big Bear Lake 11.8 mi 5.0
BEREAN CHRISTIAN Angelus Oaks 16.8 mi
Vanguard Preparatory Apple Valley 15.5 mi 3.5
Granite Hills High Apple Valley 16.2 mi 4.6
Charles Hoffman Elementary Lake Arrowhead 17.9 mi 5.5
Mariana Academy Apple Valley 16.1 mi 3.1
Sycamore Rocks Elementary Apple Valley 17.0 mi 2.6
Apple Valley High Apple Valley 16.5 mi 4.3
High Desert Premier Academy Apple Valley 16.7 mi 4.5
Apple Valley Virtual Academy Apple Valley 16.8 mi 3.5

Neighborhood Census ACS (2019-2023)

Census data for ZIP 92356 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$46,625

Median Home Value

$239,100

Median Rent

$1,138/mo

Population

6,665

College Educated

14.6%

Homeownership

67.3%

Poverty Rate

36.1%

Median Age

40.9

Similar Schools

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

School Rating
Cabrillo Point Academy Poway, CA 6.1
Riverside Preparatory Oro Grande, CA 5.9
Yosemite Valley Charter Fresno, CA 6.2
California Virtual Academy @ San Diego Simi Valley, CA 5.7
Feather River Charter Sacramento, CA 5.7
Vaughn Next Century Learning Center San Fernando, CA 6.3

Frequently Asked Questions

Common questions about Granite Mountain Charter

What grades does Granite Mountain Charter serve?

Granite Mountain Charter serves students in grades Kindergarten through 12th.

How many students attend Granite Mountain Charter?

Granite Mountain Charter has an enrollment of approximately 3,942 students.

What is the student-teacher ratio at Granite Mountain Charter?

The student-teacher ratio at Granite Mountain Charter is 28.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Granite Mountain Charter rank in CA?

Granite Mountain Charter ranks #5,386 of 9,539 schools in CA.

What is Granite Mountain Charter's MySchoolScout rating?

Granite Mountain Charter has a current MySchoolScout rating of 6.0 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 Granite Mountain Charter?

Based on loaded state assessment records, Granite Mountain Charter has 26% math proficiency (multi-year average, 2020-2024) and 44% reading/ELA proficiency (multi-year average, 2020-2024).

Is Granite Mountain Charter a charter school?

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

Is Granite Mountain Charter a Title I school?

No, Granite Mountain Charter is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Granite Mountain Charter?

47.5% of students at Granite Mountain 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
5 Car-Dependent
Bike Score
9 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 12th
Enrollment
3,942
Student-Teacher Ratio
28.6:1
Teachers (FTE)
138
Free/Reduced Lunch
47.5%
Type
regular
Setting
Distant Rural
County
San Bernardino County
Chronic Absenteeism (SY 2022-23)
1.0%
4-Year Graduation
87.0%

District

Granite Mountain Charter District
District Enrollment
3,942
Schools in District
1
Per-Pupil Spending
$13,611
District Rank
#1 of 1

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