Enrollment
1,050
Illinois · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 172406002627
Mahomet-Seymour High School — Mahomet, IL
Federal NCES profile for Mahomet-Seymour High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — composite Resource Quality Score 33/100.
School address
District: Mahomet-Seymour Cusd 3 · Illinois
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)
62.0
Federal CCD staff survey
Students per teacher
16.1:1
vs 14.6:1 Illinois avg
+10% vs state
Student-teacher ratio in context
How Mahomet-Seymour High School compares with Illinois and U.S. medians
What this school's NCES data tells you
Mahomet-Seymour High School reports 1,050 enrolled students to the National Center for Education Statistics (NCES) alongside 62.0 full-time-equivalent teachers, producing a 16.1:1 student-teacher ratio. That figure sits 10% above the Illinois state mean of 14.6:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 1% higher, a useful calibration for families comparing districts across state lines.
The school offers 9 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 263 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 36.5% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Mahomet-Seymour Cusd 3 spends $10,720 per pupil district-wide, below the Illinois average of $20,099 and below the national average of $19,490. Revenue comes 55.3% from local sources (property taxes), 32.7% from the state, and 12.0% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a composite Resource Quality Grade of F (33/100), calculated from 5 distinct NCES and CRDC indicators.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Mahomet-Seymour High School compares
Cross-validating school-level NCES values against Illinois state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | Illinois avg | U.S. avg |
|---|---|---|---|
| Students per teacher | 16.1:1 | 14.6:1 | 15.9:1 |
| Enrollment (students) | 1,050 | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Overview
Enrollment 1,050
Teachers (FTE) 62.0
Students per teacher 16.1:1 +10% vs state
Free-lunch eligible —
NCES ID 172406002627
Student demographics
White 81.1%
Two or More 6.5%
Hispanic or Latino 6.4%
Asian 3.9%
African American 1.8%
American Indian / Alaska Native 0.3%
Largest group: White at 81.1% of enrollment.
Programs & staff
AP courses offered 9
Counselors (FTE) 4.0
Students per counselor 263:1
Discipline & special education
Chronically absent 36.5%
In-school suspensions 36
Out-of-school suspensions 35
Funding & spending
District-wide per-pupil expenditure for Mahomet-Seymour Cusd 3, which includes Mahomet-Seymour High School.
$10,720
Per student
-47%
vs Illinois
Avg $20,099
-45%
vs U.S.
Avg $19,490
Revenue mix
Local 55.3%
State 32.7%
Federal 12.0%
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
- 812
- Students per teacher
- 18:1
- Enrollment
- 805
- Students per teacher
- 15.3:1
- Enrollment
- 801
- Students per teacher
- 20.3:1
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 Mahomet-Seymour High School
How many students attend Mahomet-Seymour High School?
Mahomet-Seymour High School has 1,050 students enrolled. It is a high school in Mahomet, IL.
What is the student-teacher ratio at Mahomet-Seymour High School?
The student-teacher ratio at Mahomet-Seymour High School is 16.1:1, which is 10% higher than the Illinois average of 14.6:1 and 1% higher than the national average of 15.9:1.
What is the racial and ethnic makeup of Mahomet-Seymour High School?
The largest demographic group at Mahomet-Seymour High School is White at 81.1%. The school serves a diverse student body in Mahomet, IL.
What is the quality grade for Mahomet-Seymour High School?
Mahomet-Seymour High School receives a Resource Quality Grade of F (33/100) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This grade reflects available federal resource indicators, not standardized test scores.
Related data sources
PlainSchools is part of a network of US-data portals — these companion sites surface adjacent context.