Enrollment
812
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Mahomet, IL
Federal NCES profile for Mahomet-Seymour Jr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 25/100.
The verdict
Mahomet-Seymour Jr High School earns 25/100 on the Resource Investment Index, with class sizes larger than 92% of Illinois schools.
Mahomet-Seymour Jr High School has class sizes larger than 92% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Mahomet-Seymour Jr High School ranks #4 of 4 public schools in Mahomet, IL.
NCES ID 172406002628 Verify on NCES CCD record →
Enrollment
812
Illinois · 2024-25 NCES data
Teachers (FTE)
45.0
Federal CCD staff survey
Students per teacher
18:1
vs 14:1 Illinois avg
+29% vs state
How Mahomet-Seymour Jr High School compares with Illinois and U.S. medians
Larger classes than state median
18:1 - 4.0 above the Illinois state median of 14:1, indicating larger average class loads than typical schools in the state.
Mahomet-Seymour Jr High School is a large middle school in Mahomet, Illinois, enrolling 812 students.
Class loads run heavy: 18:1 is larger than about 92% of Illinois schools and 29% above the 14:1 state mean, so each teacher carries more students than is typical.
By headcount it is one of the larger campuses in Illinois, bigger than 90% of state schools at 812 students.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is predominantly White (85% of enrollment) (diversity index 27/100).
Chronic absenteeism is elevated: 33.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Mahomet-Seymour Cusd 3 spends $9,591 per pupil, 44% below the Illinois average, a leaner-resourced district than most.
Mahomet-Seymour Cusd 3 also operates Mahomet-Seymour High School (1,050 students) and Middletown Prairie Elementary (805 students) alongside Mahomet-Seymour Jr High 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
Mahomet-Seymour Jr 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 | 18:1 | ▲ 29% | 14:1 | 15.7:1 |
| Enrollment | 812 | top 10% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Largest group: White at 85.0% of enrollment.
Simpson diversity index - at 27.1, Mahomet-Seymour Jr High School is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Mahomet-Seymour Cusd 3, which includes Mahomet-Seymour Jr High 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 |
|---|---|---|---|
| Mahomet-Seymour High School | Larger | No free-lunch data | Lower S:T ratio |
| Middletown Prairie Elementary | Similar size | No free-lunch data | Lower S:T ratio |
| Lincoln Trail Elem School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Mahomet-Seymour Jr High School's own figures; each column derives from NCES Common Core of Data.
Next steps
Verify locally before acting on Mahomet-Seymour Jr High 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.
Mahomet-Seymour Jr High School has 812 students enrolled. It is a middle school in Mahomet, IL.
The student-teacher ratio at Mahomet-Seymour Jr High School is 18:1, which is 29% higher than the Illinois average of 14:1 and 15% higher than the national average of 15.7:1.
The largest demographic group at Mahomet-Seymour Jr High School is White at 85.0% of enrollment, in Mahomet, IL.
Mahomet-Seymour Jr High School has a Resource Investment Index of 25/100 (lower 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).
By Resource Investment Index, Mahomet-Seymour Jr High School ranks #4 of 4 public schools in Mahomet, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mahomet on the city page.
Mahomet-Seymour Jr High School earns 25/100 on the Resource Investment Index, with class sizes larger than 92% of 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 Mahomet-Seymour Jr High School, Mahomet-Seymour Cusd 3 also operates Mahomet-Seymour High School (1,050 students), Middletown Prairie Elementary (805 students), and Lincoln Trail Elem School (801 students). See the Mahomet-Seymour Cusd 3 district page for the complete list.