- Enrollment
- 505
- Students per teacher
- 21:1
- Resource Index
- 15/100
Middle school (grades 6-8) · Mammoth Lakes, CA
Mammoth Middle
Federal NCES profile for Mammoth Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 062353003336
👥 S:T ratio 19
🌟 Gifted program 30
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mammoth Middle earns 31/100 on the Resource Investment Index, with class sizes near the California median.
- #4 of 5
- public schools in Mammoth Lakes · Resource Index
- 31
- Resource Index · Lower
- 20.3:1
- students per teacher
- 56.8%
- free-lunch eligible
Mammoth Middle has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mammoth Middle ranks #4 of 5 public schools in Mammoth Lakes, CA.
School address
District: Mammoth Unified · California
NCES ID 062353003336 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-2 students YoY
Mammoth Middle held near 227 students from 2022-23 to 2023-24 (-2 headcount).
Teacher FTE added 12.7 → 13.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-2 students YoY 062353003336 · Mammoth Lakes, CA Middle · SMALL · TRAD
243 enr · 20.3:1 · 56.8% lunch · RII 31
Nearest enrollment peer: Mammoth Elementary (505 students)
Mammoth Middle held near 227 students from 2022-23 to 2023-24 (-2 headcount). Teacher FTE added 12.7 → 13.1 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Mammoth Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Mammoth Elemen
Mammoth Elementary
505 students
- Mammoth High
Mammoth High
330 students
- This school
Mammoth Middle
243 students
- Sierra High (C 9
Sierra High (Continuation)
9 students
What this shows Mammoth Middle reports 243 students on the CCD universe file.
How Mammoth Middle compares
Mammoth Middle 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 | 20.3:1 | ▼ 6% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 56.8% | ▲ 2% | 55.5% | 51.7% |
| Enrollment | 243 | top 80% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.3:1
Leaner classes than 15% of US schools, heavier class loads than most.
243
Bigger than 24% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
56.8%
free-lunch eligible
- 2% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
20.3:1
students per teacher
- 6% below state mean
Top 37% in California - lower ratio than 63% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
22.6%
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 4 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 2.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 63.2%
White 33.1%
Two or More 3.3%
Asian 0.4%
Largest group: Hispanic or Latino at 63.2% of enrollment.
Student-body diversity index 49.0/100
Simpson diversity index - at 49.0, Mammoth Middle is more mixed than the California school average of 46.0.
Programs
District finance for Mammoth Unified reports $16,921 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mammoth Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mammoth Elementary | Larger | Lower economic need | Similar S:T ratio |
| Mammoth High | Larger | Similar economic need | Lower S:T ratio |
| Sierra High (Continuation) | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Mammoth Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 330
- Students per teacher
- 17.4:1
- Resource Index
- 35/100
- Enrollment
- 9
- Students per teacher
- 9:1
- Resource Index
- 64/100
Nationwide middle 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 (~243 students)
Frequently asked questions about Mammoth Middle
How many students attend Mammoth Middle?
Mammoth Middle has 243 students enrolled. It is a middle school in Mammoth Lakes, CA. CCD year-over-year: 229 (2022-23) → 227 (2023-24), nearly flat (-2).
What is the student-teacher ratio at Mammoth Middle?
The student-teacher ratio at Mammoth Middle is 20.3:1, which is 6% lower than the California average of 21.5:1 and 29% 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 Middle?
56.8% of students at Mammoth Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Mammoth Middle?
The largest demographic group at Mammoth Middle is Hispanic or Latino at 63.2% of enrollment, in Mammoth Lakes, CA.
What is the Resource Investment Index for Mammoth Middle?
Mammoth Middle has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mammoth Middle rank among public schools in Mammoth Lakes?
By Resource Investment Index, Mammoth Middle ranks #4 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 Middle, Mammoth Unified also operates Mammoth Elementary (505 students), Mammoth High (330 students), and Sierra High (Continuation) (9 students). See the Mammoth Unified district page for the complete list.