Enrollment
222
Illinois · 2024-25 NCES data
High school (grades 9-12) · Altamont, IL
Altamont High School
Federal NCES profile for Altamont High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 170351000034
👥 S:T ratio 56
📚 AP courses 5
🌟 Gifted program 30
🎓 Counselors 56
📋 Attendance 42
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Altamont High School earns 38/100 on the Resource Investment Index, with class sizes smaller than 81% of Illinois schools. It is also less racially and ethnically mixed than most Illinois schools.
- 38
- Resource Index · Typical
- 11.1:1
- small classes for Illinois
- 222
- students enrolled
Altamont High School has class sizes smaller than 81% of Illinois schools. Computed live against every Illinois school reporting to NCES.
School address
District: Altamont Cusd 10 · Illinois
NCES ID 170351000034 Verify on NCES CCD record →
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
11.1:1
vs 14:1 Illinois avg
-21% vs state
Student-teacher ratio in context
How Altamont High School compares with Illinois and U.S. medians
What stands out at Altamont High School
Altamont High School is a mid-sized high school in Altamont, Illinois, enrolling 222 students.
Class sizes run a bit leaner than typical: 11.1:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 222 puts it in the smaller 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).
On the academic-pipeline side it reports 1 Advanced Placement course.
Counselor coverage is strong, about 222 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 23.4% of students chronically absent per the 2021-22 civil-rights collection.
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 Grade School (462 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
How Altamont High School compares
Altamont High 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 | 11.1:1 | ▼ 21% | 14:1 | 15.7:1 |
| Enrollment | 222 | top 79% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.1:1
Leaner classes than 82% of US schools, among the more generously staffed nationally.
222
Bigger than 22% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
11.1:1
students per teacher
- 21% below state mean
Top 19% in Illinois - lower ratio than 81% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
23.4%
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
$11,448
per pupil, district-wide
- below Illinois avg of $17,042
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 222 students, the combined health-and-guidance staffing load for this school.
Discipline context
18
in-school suspensions + 13 out-of-school
Suspension rate: 8.1 per 100 students. Combined in-school and out-of-school rate: 14.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 93.7%
Hispanic or Latino 3.2%
Two or More 2.3%
African American 0.9%
Largest group: White at 93.7% of enrollment.
Student-body diversity index 12.0/100
Simpson diversity index - at 12.0, Altamont High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 1
Funding & spending
District-wide per-pupil expenditure for Altamont Cusd 10, which includes Altamont High School.
$11,448
Per student
-33%
vs Illinois
Avg $17,042
-31%
vs U.S.
Avg $16,593
Revenue mix
Local 37.1%
State 47.9%
Federal 14.9%
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.
How Altamont High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Altamont Grade School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Altamont High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 462
- Students per teacher
- 14.4:1
- Resource Index
- 49/100
Similar high schools statewide
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.
Similar enrollment (~222 students)
Similar student-teacher ratio (~11.1:1)
Next steps
Verify locally before acting on Altamont High School's federal record.
- Compare Altamont High School against another school. Compare schools
- Altamont Cusd 10's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Altamont High School
How many students attend Altamont High School?
Altamont High School has 222 students enrolled. It is a high school in Altamont, IL.
What is the student-teacher ratio at Altamont High School?
The student-teacher ratio at Altamont High School is 11.1:1, which is 21% lower than the Illinois average of 14:1 and 29% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Altamont High School?
The largest demographic group at Altamont High School is White at 93.7% of enrollment, in Altamont, IL.
What is the Resource Investment Index for Altamont High School?
Altamont High School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Altamont High School a good school?
Altamont High School earns 38/100 on the Resource Investment Index, with class sizes smaller than 81% of Illinois schools. 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.
What other schools are in Altamont Cusd 10?
Besides Altamont High School, Altamont Cusd 10 also operates Altamont Grade School (462 students). See the Altamont Cusd 10 district page for the complete list.
Related tools
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.