Enrollment
243
California · 2024-25 NCES data
2024-25 NCES data Middle school (grades 6-8) NCES 062353003336
Mammoth Middle — Mammoth Lakes, CA
Federal NCES profile for Mammoth Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 32/100.
👥 Class size 24
🌟 Gifted program 30
📋 Attendance 43
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Mammoth Unified · California
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
12.0
Federal CCD staff survey
Students per teacher
19.1:1
vs 21.6:1 California avg
-12% vs state
Free-lunch eligible
56.8%
vs 55.5% California avg
+2% vs state
Student-teacher ratio in context
How Mammoth Middle compares with California and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Mammoth Middle reports 243 enrolled students to the National Center for Education Statistics (NCES) alongside 12.0 full-time-equivalent teachers, producing a 19.1:1 student-teacher ratio. That figure sits 12% below the California state mean of 21.6:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 20% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 56.8% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 2% above the California average and 10% above the national baseline. Chronic absenteeism — missing 10% or more of school days — stands at 22.6% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Mammoth Unified spends $28,502 per pupil district-wide, above the California average of $18,039 and above the national average of $19,490. Revenue comes 82.4% from local sources (property taxes), 10.5% from the state, and 7.1% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 32/100 (F), calculated from 3 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Mammoth Middle compares
Cross-validating school-level NCES values against California state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.1:1 | ▼ 12% | 21.6:1 | 15.9:1 |
| Free-lunch eligible | 56.8% | ▲ 2% | 55.5% | 51.8% |
| Enrollment | 243 | top 20% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
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
19.1:1
students per teacher
— 12% below state mean
Top 23% in California — lower ratio than 77% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
22.6%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$28,502
per pupil, district-wide
— above California avg of $18,039
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
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.
Overview
Enrollment 243 Top 20% in California — larger than 80% of 10,006 state schools
Teachers (FTE) 12.0
Students per teacher 19.1:1 -12% vs state
Free-lunch eligible 56.8% +2% vs state
NCES ID 062353003336
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.
Programs & staff
Counselors (FTE) 0.0
Discipline & special education
Chronically absent 22.6%
In-school suspensions 1
Out-of-school suspensions 4
Funding & spending
District-wide per-pupil expenditure for Mammoth Unified, which includes Mammoth Middle.
$28,502
Per student
+58%
vs California
Avg $18,039
+46%
vs U.S.
Avg $19,490
Revenue mix
Local 82.4%
State 10.5%
Federal 7.1%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Other Schools in This District
- Enrollment
- 505
- Students per teacher
- 22:1
- Enrollment
- 330
- Students per teacher
- 18.5:1
- Enrollment
- 9
- Students per teacher
- 9:1
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
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.
What is the student-teacher ratio at Mammoth Middle?
The student-teacher ratio at Mammoth Middle is 19.1:1, which is 12% lower than the California average of 21.6:1 and 20% higher than the national average of 15.9:1. 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%. The school serves a diverse student body in Mammoth Lakes, CA.
What is the Resource Investment Index for Mammoth Middle?
Mammoth Middle has a Resource Investment Index of 32/100 (F) based on 3 factors: student-teacher ratio, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.