- Enrollment
- 505
- Students per teacher
- 21:1
- Resource Index
- 15/100
High school (grades 9-12) · Mammoth Lakes, CA
Mammoth High
Federal NCES profile for Mammoth High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 062353003568
👥 S:T ratio 30
🌟 Gifted program 30
🎓 Counselors 34
📋 Attendance 47
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mammoth High earns 35/100 on the Resource Investment Index, with class sizes smaller than 82% of California schools.
- #3 of 5
- public schools in Mammoth Lakes · Resource Index
- 35
- Resource Index · Typical
- 17.4:1
- small classes for California
- 49.3%
- free-lunch eligible
Mammoth High has class sizes smaller than 82% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mammoth High ranks #3 of 5 public schools in Mammoth Lakes, CA.
School address
District: Mammoth Unified · California
NCES ID 062353003568 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+0 students YoY
Mammoth High held near 351 students from 2022-23 to 2023-24 (+0 headcount).
Teacher FTE added 19.2 → 22.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+0 students YoY 062353003568 · Mammoth Lakes, CA High · SMALL · TRAD
330 enr · 17.4:1 · 49.3% lunch · RII 35
Nearest enrollment peer: Mammoth Elementary (505 students)
Mammoth High held near 351 students from 2022-23 to 2023-24 (+0 headcount). Teacher FTE added 19.2 → 22.7 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Mammoth High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Mammoth Elemen
Mammoth Elementary
505 students
- This school
Mammoth High
330 students
- Mammoth Middle
Mammoth Middle
243 students
- Sierra High (C 9
Sierra High (Continuation)
9 students
What this shows Mammoth High reports 330 students on the CCD universe file.
How Mammoth High compares
Mammoth High held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.4:1 | ▼ 19% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 49.3% | ▼ 11% | 55.5% | 51.7% |
| Enrollment | 330 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.4:1
Leaner classes than 28% of US schools, heavier class loads than most.
330
Bigger than 37% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
49.3%
free-lunch eligible
- 11% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
17.4:1
students per teacher
- 19% below state mean
Top 18% in California - lower ratio than 82% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
21.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$16,921
per pupil, district-wide
- below California avg of $18,665
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 330 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 65.2%
White 30.6%
Asian 2.1%
Two or More 1.8%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 65.2% of enrollment.
Student-body diversity index 48.0/100
Simpson diversity index - at 48.0, Mammoth High is more mixed than the California school average of 46.0.
Programs
AP courses offered 5
District finance for Mammoth Unified reports $16,921 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mammoth High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mammoth Elementary | Larger | Similar economic need | Higher S:T ratio |
| Mammoth Middle | Smaller | Similar economic need | Higher S:T ratio |
| Sierra High (Continuation) | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Mammoth High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 243
- Students per teacher
- 20.3:1
- Resource Index
- 31/100
- Enrollment
- 9
- Students per teacher
- 9:1
- Resource Index
- 64/100
Similar high schools in Mammoth Lakes
1 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~330 students)
Frequently asked questions about Mammoth High
How many students attend Mammoth High?
Mammoth High has 330 students enrolled. It is a high school in Mammoth Lakes, CA. CCD year-over-year: 351 (2022-23) → 351 (2023-24), nearly flat (+0).
What is the student-teacher ratio at Mammoth High?
The student-teacher ratio at Mammoth High is 17.4:1, which is 19% lower than the California average of 21.5:1 and 11% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Mammoth High?
49.3% of students at Mammoth High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Mammoth High?
The largest demographic group at Mammoth High is Hispanic or Latino at 65.2% of enrollment, in Mammoth Lakes, CA.
What is the Resource Investment Index for Mammoth High?
Mammoth High has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mammoth High rank among public schools in Mammoth Lakes?
By Resource Investment Index, Mammoth High ranks #3 of 5 public schools in Mammoth Lakes, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mammoth Lakes on the city page.
What other schools are in Mammoth Unified?
Besides Mammoth High, Mammoth Unified also operates Mammoth Elementary (505 students), Mammoth Middle (243 students), and Sierra High (Continuation) (9 students). See the Mammoth Unified district page for the complete list.