Enrollment
49
Montana · 2024-25 NCES data
Other / mixed grade configuration · Custer, MT
Federal NCES profile for Custer School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 59/100.
The verdict
Custer School earns 59/100 on the Resource Investment Index, with class sizes near the Montana median.
Custer School has class sizes near the Montana median. Computed live against every Montana school reporting to NCES.
By Resource Investment Index, Custer School ranks #1 of 3 public schools in Custer, MT.
NCES ID 300813000231 Verify on NCES CCD record →
Enrollment
49
Montana · 2024-25 NCES data
Teachers (FTE)
4.0
Federal CCD staff survey
Students per teacher
12.3:1
vs 11.8:1 Montana avg
+4% vs state
How Custer School compares with Montana and U.S. medians
Slightly above state median
12.3:1 - 0.5 above the Montana state median of 11.8:1, indicating larger average class loads than typical schools in the state.
Custer School is a mid-sized combined-grade school in Custer, Montana, enrolling 49 students.
At 12.3:1, its student-teacher ratio sits close to the Montana median, within a few percentage points of the 11.8:1 state norm, neither notably crowded nor notably small.
With 49 students, its enrollment sits close to the Montana median campus size.
Its Resource Investment Index outscores 91% of the 826 Montana schools with a score on record, a top-tier result on this measure.
Its student body is predominantly White (94% of enrollment) (diversity index 12/100).
Counselor coverage is strong, about 149 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 6.1% of students were chronically absent, below the typical post-pandemic national figure.
Custer K-12 Schools also operates Custer High School (26 students) and Custer 7-8 (13 students) alongside Custer School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Custer School on the metrics families compare, against Montana and U.S. means.
| Metric | This school | vs Montana | Montana avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.3:1 | ▲ 4% | 11.8:1 | 15.7:1 |
| Enrollment | 49 | top 61% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 93.9% of enrollment.
Simpson diversity index - at 11.6, Custer School is less mixed than the Montana school average of 23.6.
District-wide per-pupil expenditure for Custer K-12 Schools, which includes Custer School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Custer High School | Smaller | No free-lunch data | Lower S:T ratio |
| Custer 7-8 | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Custer School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Montana, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Custer School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Custer School has 49 students enrolled. It is a public school in Custer, MT.
The student-teacher ratio at Custer School is 12.3:1, which is 4% higher than the Montana average of 11.8:1 and 22% lower than the national average of 15.7:1.
The largest demographic group at Custer School is White at 93.9% of enrollment, in Custer, MT.
Custer School has a Resource Investment Index of 59/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Custer School ranks #1 of 3 public schools in Custer, MT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Custer on the city page.
Custer School earns 59/100 on the Resource Investment Index, with class sizes near the Montana median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Custer School, Custer K-12 Schools also operates Custer High School (26 students) and Custer 7-8 (13 students). See the Custer K-12 Schools district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Custer School, Custer MT.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/custer-school-mt
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