Enrollment
256
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Seneca, IL
Federal NCES profile for Seneca Grade School North Campus, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
The verdict
Seneca Grade School North Campus earns 32/100 on the Resource Investment Index, with class sizes smaller than 94% of Illinois schools.
Seneca Grade School North Campus has class sizes smaller than 94% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Seneca Grade School North Campus ranks #3 of 3 public schools in Seneca, IL.
NCES ID 173582003727 Verify on NCES CCD record →
Enrollment
256
Illinois · 2024-25 NCES data
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
9.1:1
vs 14:1 Illinois avg
-35% vs state
How Seneca Grade School North Campus compares with Illinois and U.S. medians
Smaller classes than state median
9.1:1 - 4.9 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Seneca Grade School North Campus is a mid-sized combined-grade school in Seneca, Illinois, enrolling 256 students.
Classes run notably small here: at 9.1:1, Seneca Grade School North Campus is leaner than roughly 94% of Illinois schools and 35% under the state's 14:1 norm, more adult attention per pupil than most peers.
Enrollment of 256 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is predominantly White (82% of enrollment) (diversity index 32/100).
Counselor access is stretched at roughly 512 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 27.0% of students missed 10% or more of school days (2021-22 Civil Rights Data 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 Elem School South Campus (209 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
Seneca Grade School North 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 | 9.1:1 | ▼ 35% | 14:1 | 15.7:1 |
| Enrollment | 256 | top 72% | - | - |
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 81.6% of enrollment.
Simpson diversity index - at 31.8, Seneca Grade School North Campus is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Seneca Ccsd 170, which includes Seneca Grade School North Campus.
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 |
|---|---|---|---|
| Seneca Elem School South Campus | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Seneca Grade School North Campus'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 Seneca Grade School North Campus'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.
Seneca Grade School North Campus has 256 students enrolled. It is a public school in Seneca, IL.
The student-teacher ratio at Seneca Grade School North Campus is 9.1:1, which is 35% lower than the Illinois average of 14:1 and 42% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Seneca Grade School North Campus is White at 81.6% of enrollment, in Seneca, IL.
Seneca Grade School North Campus has a Resource Investment Index of 32/100 (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).
By Resource Investment Index, Seneca Grade School North Campus ranks #3 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.
Seneca Grade School North Campus earns 32/100 on the Resource Investment Index, with class sizes smaller than 94% 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 Seneca Grade School North Campus, Seneca Ccsd 170 also operates Seneca Elem School South Campus (209 students). See the Seneca Ccsd 170 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, “Seneca Grade School North Campus, Seneca 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/seneca-grade-school-north-campus-il
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