Skip to main content

Very Good

#1724 of 9,533 schools in CA

Top 18% in state

Mammoth High

High School · Mammoth Unified

PO Box 3149, Mammoth Lakes, CA 93546

Enrollment

351

Student-Teacher

16:1

Score

7.8

Grades

9th – 12th

Updated 2022-23

How this school compares

In Mammoth Lakes

#1 of 3

public schools

California high schools

#294 of 1,892

In district

#1 of 3

Mammoth Unified

School environment

9.0 / 10

Exceptional

About Mammoth High

Mammoth High is a regular public high school located in the remote town of Mammoth Lakes, California. Serving students from ninth through twelfth grade, the school has an enrollment of 351 students and employs 22 full-time equivalent teachers, resulting in a student-teacher ratio of 16 to 1. The MySchoolScout rating for Mammoth High is 6.1 out of 10, placing it at the 61st percentile among California schools with a state ranking of #3739 out of 9566.

Academically, the school shows areas for improvement but also demonstrates strengths in certain subjects. Students perform notably better in English Language Arts and reading, with 60% achieving proficiency or above. In contrast, only 23% are proficient or above in math, indicating a need for additional support in this area.

Despite these challenges, Mammoth High offers a close-knit community setting where students can receive personalized attention from their teachers. Mammoth Lakes is situated in a remote location surrounded by natural beauty and outdoor recreational opportunities, making it an attractive place to live and learn. The school's setting allows for unique educational experiences that connect classroom learning with the stunning environment surrounding Mammoth High.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.3Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-0.43 pts/yr
Data Period2019–2024
TrendStable
Academics5.9Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency21.8%
Reading/ELA Proficiency54.5%
Math vs. State Avg-6.2 pts
Reading vs. State Avg-1.4 pts
Overall Proficiency38%
Expected (poverty-adj.)48%
vs. Expected-9.8 pts
Adjusted Percentile42th
College Readiness9.0Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation31.6%
IB ProgramNo
Resources & Environment9.0Exceptional20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio16:1
Per-Pupil Spending$15,263

Mammoth High — Students at Mammoth High score 38% 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

47.6%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 23.1%
School
State
31.8%
ELA Proficiency 59.5%
School
State
51.5%

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

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

2019
Math
22%
ELA
57%
2021*
Math
27%
ELA
72%
2024
Math
21.8%
ELA
54.6%

* 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: 7.3/10.

How Mammoth High Compares

See how Mammoth High performs across key quality dimensions compared to state benchmarks.

Overall Score
7.8/10
82th percentile in CA
Academic
5.9/10
5.9/10
Growth
7.3/10
Above average
Environment
9.0/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
48%
Teaching Staff
16:1 student-teacher ratio
22 teachers

Location

PO Box 3149, Mammoth Lakes, CA 93546

Nearby Alternatives

Families considering Mammoth High may also want to explore other high schools in the area. Round Valley Elementary (rated 9.5/10, 25.8 miles away, in nearby Bishop), which scores notably higher. Another option is Lee Vining Elementary (rated 9.0/10, 23.3 miles away, in nearby Lee Vining), which scores notably higher. Additionally, Lee Vining High (rated 8.4/10, 23.7 miles away, in nearby Lee Vining), which scores slightly higher. For more schools in Mammoth Lakes, see our Mammoth Lakes schools guide .

Nearby Schools

9 within 34.1 mi
School Distance Rating
Mammoth Middle Mammoth Lakes 0.1 mi 5.6
Jan Work Community Mammoth Lakes 0.2 mi
Sierra High (Continuation) Mammoth Lakes 0.2 mi
Mammoth Elementary Mammoth Lakes 0.3 mi 7.1
Lee Vining Elementary Lee Vining 23.3 mi 9.0
Lee Vining High Lee Vining 23.7 mi 8.4
Round Valley Elementary Bishop 25.8 mi 9.5
Edna Beaman Elementary Benton 29.2 mi
Big Creek Elementary Big Creek 34.1 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 93546 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$96,481

Median Home Value

$618,800

Median Rent

$1,619/mo

Population

8,803

College Educated

31.1%

Homeownership

64.7%

Poverty Rate

11.2%

Median Age

38.3

Community Profile

The community surrounding Mammoth High has a median household income of $96,481. It is an area where 31% of adults hold a bachelor's degree or higher. The median home value in the area is $618,800, with a median rent of $1,619/month. The area has a poverty rate of 11.2%. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
Alliance Ted K. Tajima High Los Angeles, CA 7.8
DUNN SCHOOL Los Olivos, CA 7.8
Shasta Charter Academy Redding, CA 7.8
Silver Valley High Yermo, CA 7.8
THE BAY SCHOOL OF SAN FRANCISCO San Francisco, CA 7.8
KIPP Navigate College Prep San Jose, CA 7.7

Frequently Asked Questions

Common questions about Mammoth High

What grades does Mammoth High serve?

Mammoth High serves students in grades 9th through 12th.

How many students attend Mammoth High?

Mammoth High has an enrollment of approximately 351 students.

What is the student-teacher ratio at Mammoth High?

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

How does Mammoth High rank in CA?

Mammoth High is ranked #1724 out of 9,533 schools in CA.

What is Mammoth High's MySchoolScout rating?

Mammoth High has a composite rating of 7.8 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 Mammoth High?

Based on the most recent state assessment data, Mammoth High has 23.1% math proficiency and 59.5% reading/ELA proficiency.

Is Mammoth High a charter school?

No, Mammoth High is not a charter school. It is a traditional public school operated by the local school district.

Is Mammoth High a Title I school?

No, Mammoth High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Mammoth High?

47.6% of students at Mammoth 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.

10 schools nearby View map →

Neighborhood Context

Walk Score
71 Very Walkable
Bike Score
92 Biker’s Paradise
City Safety
High (1,701/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Mammoth Lakes). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
351
Student-Teacher Ratio
16:1
Teachers (FTE)
22
Free/Reduced Lunch
47.6%
Type
regular
Setting
Remote Town
County
Mono County
Data Year
2023–2024

District

Mammoth Unified
District Enrollment
1,112
Schools in District
4
Per-Pupil Spending
$16,921
District Rank
#1 of 3

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 methodology

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.