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Public high school · Rim of the World Unified · Lake Arrowhead, California

Mountain High

Mountain High rates 6.7, above the middle of Rim of the World Unified's high schools, whose rated median is 6.2.

High schools, 1 to 10This campus against public high schools around it that are rated on verified state test data.
6.7this school

6.7 on a one-to-ten scale; the Rim of the World Unified median is 6.2.

#4,151 of 9,557 schools in California · Rim of the World Unified: 2 high schools rated, median 6.2

The brief

A Rim of the World Unified high school where students score 17 points below what's typical for similar communities.

It ranks 4,151 of 9,557 schools in California and 2 of 7 in Rim of the World Unified.

Mountain High is listed in Rim of the World Unified, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.

Math0%34 points below the California average of 34%2025 CAASPP
Reading42%11 points below the California average of 53%2025 CAASPP
Proficiency has held near 21% across the 16-year record (2010–2025).2025 CAASPP; 26 test records from CA state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
9.9
25% of the rating
Academics
3.3
25% of the rating
College Readiness
4.8
30% of the rating
Resources & Environment
9.9
20% of the rating
About this school's data1 correction under review · rating: low confidence · 6 sources, 2019–2025

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

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 4/4 metrics

Multi-year averages used by the rating model: math 11% (multi-year average, 2010-2025) · reading/ELA 23% (multi-year average, 2010-2025).

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 · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 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 · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · 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 92352; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2010-2025; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
Mountain High and the 20 nearest high schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$106,575
Median home value
$627,400
Median rent
$2,132/mo
College educated
40.7%
Homeownership
86.4%
Poverty rate
10.1%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 92352; this is area context, not an attendance boundary.

Getting around

Walk Score
5
Car-Dependent
Bike Score
5
Somewhat Bikeable
County reported crime
1,961/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 county residents, counting every city police department, sheriff's office and county police department that reported a full year to the FBI Uniform Crime Reporting program. Shown only where those agencies cover at least 80% of the county's residents. Not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · county context, not school-level safety or attendance eligibility. Source details

Programs and who goes here

What the campus offers, and who it enrolls.

Who goes here

Free or reduced lunch
68.6%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. Mountain Highthis school
    6.7
  2. 6.3Compare →
  3. 5.7Compare →
Two grade-compatible schools using the same rating model sit within 5 miles, and none rates higher than Mountain High.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

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

The record

What is on file, and where each number came from.

Questions families ask

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 #4,151 of 9,557 schools in CA.

What is Mountain High's MySchoolScout rating?

Mountain High has a current MySchoolScout rating of 6.7 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 11% math proficiency (multi-year average, 2010-2025) and 23% reading/ELA proficiency (multi-year average, 2010-2025).

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.

School facts

Grades
9th – 12th
Enrollment
35
Student-teacher ratio
11.7:1
Teachers (FTE)
3
Type
Alternative
Title I
No
Setting
Fringe Town
County
San Bernardino County
4-year graduation
40–49%
Class of 2023
Rank in district
#2 of 7
Schools in district
7
District spending per student
$16,589
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
4.7%
Census SAIPE · 2024
Area population (ZIP 92352)
6,496
Area median age
49.2

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.