Average
#7640 of 9,533 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
5.0
Grades
9th – 12th
Enrollment
35
Student-Teacher
11.7:1
Score
5.0
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Lake Arrowhead
#7 of 7
public schools
California high schools
#1,618 of 1,892
In district
#7 of 7
Rim of the World Unified
School environment
9.7 / 10
Exceptional
About Mountain High
Mountain High is an alternative high school located in Lake Arrowhead, California. Serving students from ninth through twelfth grade, the school has a small enrollment of just 35 students and three full-time equivalent teachers, resulting in a student-teacher ratio of 11.7:1. The school's setting on the fringe of an urban area offers a unique blend of rural charm and accessibility to nearby amenities.
Mountain High currently holds a MySchoolScout rating of 2.7 out of 10 and ranks at #9003 among all California schools, placing it in the 6th percentile. Academically, students perform with room for improvement; 21% are proficient or above in ELA/Reading, while only 9% meet proficiency standards in Math. Despite its challenges, Mountain High provides a personalized learning environment where students can receive individualized attention and support.
The school’s small size fosters close-knit relationships between teachers and students, creating a supportive atmosphere conducive to student development. Located on the edge of an urban area, Lake Arrowhead offers natural beauty and outdoor activities that complement the educational experience at Mountain High.
What Parents Should Know
With an enrollment of 35 students, Mountain High is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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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 8 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: 2.8/10.
How Mountain High Compares
See how Mountain High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 10% (2019) to 0% (2024). Reading/ELA proficiency has declined from 30% (2019) to 14.29% (2024).
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. Entrepreneur High (rated 6.0/10, 6.8 miles away, in nearby Ontario), which scores slightly higher. Another option is AQUINAS HIGH SCHOOL (rated 5.6/10, 6.6 miles away, in nearby San Bernardino), which scores slightly higher. Additionally, Rim of the World Senior High (rated 5.2/10, 0.1 miles away), with a very similar rating. 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 | 5.2 |
| Rim of the World Senior High Lake Arrowhead | 0.1 mi | 5.2 |
| 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 | 5.0 |
| FAITH ACADEMY LAKE ARROWHEAD Lake Arrowhead | 2.3 mi | — |
| Lake Arrowhead Elementary Lake Arrowhead | 3.3 mi | 7.1 |
| Belvedere Elementary Highland | 6.0 mi | 5.3 |
| Serrano Middle Highland | 6.1 mi | 6.8 |
| Oehl Elementary Highland | 6.4 mi | 4.8 |
| Del Rosa Elementary San Bernardino | 6.2 mi | 4.7 |
| Del Vallejo Middle San Bernardino | 6.4 mi | 6.6 |
| Alternative Learning Center San Bernardino | 6.4 mi | 7.6 |
| Virtual Academy San Bernardino | 6.4 mi | — |
| Barton Elementary San Bernardino | 6.7 mi | 5.9 |
| AQUINAS HIGH SCHOOL San Bernardino | 6.6 mi | 5.6 |
| Valley of Enchantment Elementary Lake Arrowhead | 5.6 mi | 6.0 |
| New Vision Middle Ontario | 6.8 mi | 5.5 |
| Entrepreneur High Ontario | 6.8 mi | 6.0 |
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
Community Profile
The community surrounding Mountain High has a median household income of $106,575. It is a well-educated community where 41% of adults hold a bachelor's degree or higher. The median home value in the area is $627,400, with a median rent of $2,132/month. The area has a poverty rate of 10.1%. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| CLETA HARDER DEVELOPMENTAL SCHOOL La Habra, CA | 5.0 |
| Canyon Oaks High Monrovia, CA | 5.0 |
| Carr Lake Community Day Salinas, CA | 5.0 |
| RELENTLESS OR NOTHING INSTITUTE Inglewood, CA | 5.0 |
| STELLAR PREPARATORY HIGH SCHOOL Hayward, CA | 5.0 |
| Surprise Valley High Cedarville, CA | 5.0 |
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 is ranked #7640 out of 9,533 schools in CA.
What is Mountain High's MySchoolScout rating?
Mountain High has a composite rating of 5.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Mountain High?
Based on the most recent state assessment data, Mountain High has 8.8% math proficiency and 20.9% reading/ELA proficiency.
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
- County Safety
- Low (231/100K)
FBI UCR 2024. County-level only. Data >1 year old.
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
- Data Year
- 2023–2024
Resources & Links
District
Rim of the World Unified- District Enrollment
- 2,853
- Schools in District
- 7
- Per-Pupil Spending
- $16,589
- District Rank
- #7 of 7
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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