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#5501 of 9,539 schools in CA

Mountain High

High School · Rim of the World Unified · Lake Arrowhead, CA

A Rim of the World Unified high school where students score 29 points below what's typical for similar communities.

PO Box 430, Lake Arrowhead, CA 92352

  • Math 0% vs CA 32% (2024)
  • Reading 14% vs CA 52% (2024)
  • 54.5% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress9.0Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data10
Annual Change-0.33 pts/yr
Data Period2010–2024
TrendStable
Academics1.7Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency0% (2024 CAASPP)
Reading/ELA Proficiency14.3% (2024 CAASPP)
Math vs. State Avg-28 pts
Reading vs. State Avg-41.6 pts
Overall Proficiency7% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)36% (model expectation from 2024 CAASPP)
vs. Expected-28.6 pts
Adjusted Percentile3th
College Readiness4.5Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate54.5%
IB ProgramNo
Resources & Environment9.9Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio11.7:1
District spending per student$16,589

Students at Mountain High score 7% proficient, which is below what's typical for similar communities (expected: 36%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency0%(2024 CAASPP)
School
State
32%(2024 CAASPP)
ELA Proficiency14%(2024 CAASPP)
School
State
52%(2024 CAASPP)

Trend

↓ Declining

Proficiency has fallen 13 points since 2019, to 7% in 2024, across a 15-year record (2010–2024).

Show all 10 years
2010
Math
25%
ELA
25%
2011
Math
10%
ELA
10%
2015
Math
25%
ELA
25%
2016
Math
10%
ELA
10%
2017
Math
10%
ELA
10%
2018
Math
10%
ELA
30%
2019
Math
10%
ELA
30%
2020*
Math
25%
ELA
25%
2021*
Math
25%
ELA
25%
2024
ELA
14%

Multi-year averages used by the rating model: math 14% (multi-year average, 2010-2024) · reading/ELA 20% (multi-year average, 2010-2024)

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

Based on 22 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

68.6%

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 Mountain High 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 5Car-Dependent
  • Bike 5Somewhat Bikeable
  • County Safety: Low231/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details

Source period: 2024. A newer release may be available.

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

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%

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

Compare nearby

Nearby same-level schools

3 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Rim Virtual AcademyEnrollment path unverified2.7K–120.0 mi83Compare →
Rim of the World Senior HighEnrollment path unverified5.39–120.1 mi897Compare →
Lake Arrowhead Christian SchoolPrivate · tuition6.2privateK–121.2 mi184Compare →

Distance is proximity only; it is not attendance eligibility.

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

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Rim of the World Unified

Schools in district
7
Rank in district
#1 of 7
District spending per student
$16,589NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
4.7%Census SAIPE · 2024

Mountain High is listed in Rim of the World Unified; a district label does not verify attendance for an address.

About Mountain High

Mountain High is a public high school in Lake Arrowhead, CA, part of Rim of the World Unified, serving approximately 35 students in grades 9th-12th with a 11.7:1 student-teacher ratio. It holds a MySchoolScout rating of 6.0 out of 10 and ranks #5,501 of 9,539 schools in CA. State assessment records show 14% math proficiency (multi-year average, 2010-2024) and 20% reading/ELA proficiency (multi-year average, 2010-2024).

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.

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

Grades
9th – 12th
Enrollment
35
Student-Teacher Ratio
11.7:1
Teachers (FTE)
3
Type
alternative
Setting
Fringe Town
County
San Bernardino County
4-Year Graduation
54.5%
Area population (ZIP 92352)
6,496
Area median age
49.2
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 92352; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2010-2024; directory SY 2023–24

About our data · How we calculate scores

Related reading

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