Average
#5501 of 9,539 schools in CA
Mountain High
High School · Rim of the World Unified
PO Box 430, Lake Arrowhead, CA 92352
Enrollment
35
Student-Teacher
11.7:1
Score
6.0
Grades
9th – 12th
Enrollment
35
Student-Teacher
11.7:1
Score
6.0
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#5,501 of 9,539
In Lake Arrowhead
#1 of 7
public schools
In district
#1 of 7
Rim of the World Unified
School environment
9.9 / 10
Excellent
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Mountain High
High School in Lake Arrowhead · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Rim Virtual Academy
0.0 mi away. Use as a geographic alternative in the same move search.
Rim of the World Senior High
0.1 mi away. Use as a geographic alternative in the same move search.
About Mountain High
Mountain High is a public high school in Lake Arrowhead, CA, part of Rim of the World Unified. Mountain High serves approximately 35 students, and covers grades 9th-12th, and has a 11.7:1 student-teacher ratio. Mountain High has a current MySchoolScout rating of 6.0 out of 10 and ranks #5,501 of 9,539 schools in CA.
Structured state assessment records for Mountain High show 14% math proficiency (multi-year average, 2010-2024) and 20% reading/ELA proficiency (multi-year average, 2010-2024).
- This school 6.0 · Average
- District avg 5.7
- CA avg 6.5
What Parents Should Know
At 35 students, Mountain High is on the smaller side. That usually buys more individual attention and teachers who know every kid by name, with the trade-off of fewer electives and extracurriculars than a larger school can staff. Ask what activities it actually offers.
Test scores at Mountain High 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.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Mountain High — Students at Mountain High score 7% proficient, which is below what's typical for similar communities (expected: 36%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
68.6%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 22 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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: 9.0/10.
How Mountain High Compares
See how Mountain High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
PO Box 430, Lake Arrowhead, CA 92352
Nearby Alternatives
Families considering Mountain High may also want to explore other high schools in the area. AQUINAS HIGH SCHOOL (rated 5.6/10, 6.6 miles away, in nearby San Bernardino), with a comparable rating. Another option is Rim of the World Senior High (rated 5.3/10, 0.1 miles away), with a comparable rating. Additionally, Entrepreneur High (rated 4.6/10, 6.8 miles away, in nearby Ontario), a more accessible option. For more schools in Lake Arrowhead, see our Lake Arrowhead schools guide .
Nearby Schools
20 within 6.8 mi| School | Distance | Rating |
|---|---|---|
| Rim Virtual Academy Lake Arrowhead | 0.0 mi | 2.7 |
| Rim of the World Senior High Lake Arrowhead | 0.1 mi | 5.3 |
| MT CALVARY LUTHERAN EARLY EDUCATION CENTER Lake Arrowhead | 0.1 mi | — |
| Mt. Calvary Lutheran Early Education Center Lake Arrowhead | 0.2 mi | — |
| LAKE ARROWHEAD CHRISTIAN SCHOOL Twin Peaks | 1.2 mi | 6.2 |
| Mary P. Henck Intermediate Lake Arrowhead | 2.1 mi | 3.5 |
| FAITH ACADEMY LAKE ARROWHEAD Lake Arrowhead | 2.3 mi | — |
| Lake Arrowhead Elementary Lake Arrowhead | 3.3 mi | 3.6 |
| Belvedere Elementary Highland | 6.0 mi | 6.3 |
| Serrano Middle Highland | 6.1 mi | 7.3 |
| Oehl Elementary Highland | 6.4 mi | 5.3 |
| Del Rosa Elementary San Bernardino | 6.2 mi | 4.3 |
| Del Vallejo Middle San Bernardino | 6.4 mi | 5.5 |
| Alternative Learning Center San Bernardino | 6.4 mi | 5.7 |
| Virtual Academy San Bernardino | 6.4 mi | — |
| Barton Elementary San Bernardino | 6.7 mi | 3.8 |
| AQUINAS HIGH SCHOOL San Bernardino | 6.6 mi | 5.6 |
| Valley of Enchantment Elementary Lake Arrowhead | 5.6 mi | 3.1 |
| New Vision Middle Ontario | 6.8 mi | 5.5 |
| Entrepreneur High Ontario | 6.8 mi | 4.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 92352 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$106,575
Median Home Value
$627,400
Median Rent
$2,132/mo
Population
6,496
College Educated
40.7%
Homeownership
86.4%
Poverty Rate
10.1%
Median Age
49.2
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Independence Continuation High Madera, CA | 6.0 |
| Monterey Continuation Los Angeles, CA | 6.0 |
| Afflerbaugh-Paige Camp Downey, CA | 5.9 |
| Calico Continuation High Yermo, CA | 6.1 |
| Hillside Junior/Senior High Pine Valley, CA | 5.9 |
| ORION ACADEMY Moraga, CA | 6.1 |
Frequently Asked Questions
Common questions about Mountain High
What grades does Mountain High serve?
Mountain High serves students in grades 9th through 12th.
How many students attend Mountain High?
Mountain High has an enrollment of approximately 35 students.
What is the student-teacher ratio at Mountain High?
The student-teacher ratio at Mountain High is 11.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mountain High rank in CA?
Mountain High ranks #5,501 of 9,539 schools in CA.
What is Mountain High's MySchoolScout rating?
Mountain High 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 Mountain High?
Based on loaded state assessment records, Mountain High has 14% math proficiency (multi-year average, 2010-2024) and 20% reading/ELA proficiency (multi-year average, 2010-2024).
Is Mountain High a charter school?
No, Mountain High is not a charter school. It is a traditional public school operated by the local school district.
Is Mountain High a Title I school?
No, Mountain High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mountain High?
68.6% of students at Mountain High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 35
- Student-Teacher Ratio
- 11.7:1
- Teachers (FTE)
- 3
- Free/Reduced Lunch
- 68.6%
- Type
- alternative
- Setting
- Fringe Town
- County
- San Bernardino County
- Phone
- (909) 336-2038
- 4-Year Graduation
- 54.5%
Resources & Links
District
Rim of the World Unified- District Enrollment
- 2,853
- Schools in District
- 7
- Per-Pupil Spending
- $16,589
- District Rank
- #1 of 7
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.
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