Enrollment
462
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Altamont, IL
Federal NCES profile for Altamont Grade School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
The verdict
Altamont Grade School earns 49/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also less racially and ethnically mixed than most Illinois schools.
Altamont Grade School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
NCES ID 170351000033 Verify on NCES CCD record →
Enrollment
462
Illinois · 2024-25 NCES data
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
14.4:1
vs 14:1 Illinois avg
+3% vs state
How Altamont Grade School compares with Illinois and U.S. medians
Slightly above state median
14.4:1 - 0.4 above the Illinois state median of 14:1, indicating larger average class loads than typical schools in the state.
Altamont Grade School is a mid-sized combined-grade school in Altamont, Illinois, enrolling 462 students.
Class loads run somewhat heavier than typical: 14.4:1 puts it in the larger third of Illinois schools by student-teacher ratio.
Enrollment of 462 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is predominantly White (94% of enrollment), among the less diverse in the state (diversity index 12/100).
10.6% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Altamont Cusd 10 spends $11,448 per pupil, 33% below the Illinois average, a leaner-resourced district than most.
Its district, Altamont Cusd 10, also runs Altamont High School (222 students).
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
Altamont Grade School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.4:1 | ▲ 3% | 14:1 | 15.7:1 |
| Enrollment | 462 | top 35% | - | - |
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 93.7% of enrollment.
Simpson diversity index - at 12.1, Altamont Grade School is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Altamont Cusd 10, which includes Altamont Grade 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 |
|---|---|---|---|
| Altamont High School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Altamont Grade School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Altamont Grade 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.
Altamont Grade School has 462 students enrolled. It is a public school in Altamont, IL.
The student-teacher ratio at Altamont Grade School is 14.4:1, which is 3% higher than the Illinois average of 14:1 and 8% lower than the national average of 15.7:1.
The largest demographic group at Altamont Grade School is White at 93.7% of enrollment, in Altamont, IL.
Altamont Grade School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Altamont Grade School earns 49/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also less racially and ethnically mixed than most Illinois schools. 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 Altamont Grade School, Altamont Cusd 10 also operates Altamont High School (222 students). See the Altamont Cusd 10 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, “Altamont Grade School, Altamont IL.” 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/altamont-grade-school-il
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