Enrollment
209
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Seneca, IL
Seneca Elem School South Campus
Federal NCES profile for Seneca Elem School South Campus, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataElementary school (grades K-5)NCES 173582003021
👥 S:T ratio 56
🌟 Gifted program 30
🎓 Counselors 16
📋 Attendance 38
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Seneca Elem School South Campus earns 35/100 on the Resource Investment Index, with class sizes smaller than 82% of Illinois schools.
- #2 of 3
- public schools in Seneca · Resource Index
- 35
- Resource Index · Typical
- 11:1
- small classes for Illinois
- 209
- students enrolled
Seneca Elem School South Campus has class sizes smaller than 82% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Seneca Elem School South Campus ranks #2 of 3 public schools in Seneca, IL.
School address
District: Seneca Ccsd 170 · Illinois
NCES ID 173582003021 Verify on NCES CCD record →
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
11:1
vs 14:1 Illinois avg
-21% vs state
Student-teacher ratio in context
How Seneca Elem School South Campus compares with Illinois and U.S. medians
What stands out at Seneca Elem School South Campus
Seneca Elem School South Campus is a mid-sized elementary school in Seneca, Illinois, enrolling 209 students.
Class sizes run a bit leaner than typical: 11:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 209 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is predominantly White (86% of enrollment) (diversity index 26/100).
Counselor access is stretched at roughly 418 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 24.9% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Seneca Ccsd 170 spends $23,808 per pupil, 40% above the Illinois average, a better-resourced district than most.
Its district, Seneca Ccsd 170, also runs Seneca Grade School North Campus (256 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 Seneca Elem School South Campus compares
Seneca Elem School South Campus 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 | ▼ 21% | 14:1 | 15.7:1 |
| Enrollment | 209 | top 81% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11:1
Leaner classes than 83% of US schools, among the more generously staffed nationally.
209
Bigger than 20% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
11:1
students per teacher
- 21% below state mean
Top 18% in Illinois - lower ratio than 82% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
24.9%
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
$23,808
per pupil, district-wide
- above Illinois avg of $17,042
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
2
in-school suspensions + 3 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 2.4 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 85.6%
Hispanic or Latino 8.1%
Two or More 2.9%
African American 1.9%
Asian 1.0%
Native Hawaiian / Pacific Islander 0.5%
Largest group: White at 85.6% of enrollment.
Student-body diversity index 25.9/100
Simpson diversity index - at 25.9, Seneca Elem School South Campus is less mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Seneca Ccsd 170, which includes Seneca Elem School South Campus.
$23,808
Per student
+40%
vs Illinois
Avg $17,042
+43%
vs U.S.
Avg $16,593
Revenue mix
Local 71.2%
State 23.4%
Federal 5.4%
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 Seneca Elem School South Campus Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Seneca Grade School North Campus | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Seneca Elem School South Campus's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 256
- Students per teacher
- 9.1:1
- Resource Index
- 32/100
Similar elementary 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 (~209 students)
Similar student-teacher ratio (~11:1)
Next steps
Verify locally before acting on Seneca Elem School South Campus's federal record.
- Compare Seneca Elem School South Campus against another school. Compare schools
- Seneca Ccsd 170'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 Seneca Elem School South Campus
How many students attend Seneca Elem School South Campus?
Seneca Elem School South Campus has 209 students enrolled. It is an elementary school in Seneca, IL.
What is the student-teacher ratio at Seneca Elem School South Campus?
The student-teacher ratio at Seneca Elem School South Campus is 11:1, which is 21% lower than the Illinois average of 14:1 and 30% 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 Seneca Elem School South Campus?
The largest demographic group at Seneca Elem School South Campus is White at 85.6% of enrollment, in Seneca, IL.
What is the Resource Investment Index for Seneca Elem School South Campus?
Seneca Elem School South Campus has a Resource Investment Index of 35/100 (typical 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).
How does Seneca Elem School South Campus rank among public schools in Seneca?
By Resource Investment Index, Seneca Elem School South Campus ranks #2 of 3 public schools in Seneca, 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 Seneca on the city page.
Is Seneca Elem School South Campus a good school?
Seneca Elem School South Campus earns 35/100 on the Resource Investment Index, with class sizes smaller than 82% 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.
What other schools are in Seneca Ccsd 170?
Besides Seneca Elem School South Campus, Seneca Ccsd 170 also operates Seneca Grade School North Campus (256 students). See the Seneca Ccsd 170 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.