Enrollment
236
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Wood River, IL
Federal NCES profile for Lewis-Clark Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
The verdict
Lewis-Clark Elem School earns 36/100 on the Resource Investment Index, with class sizes smaller than 91% of Illinois schools.
Lewis-Clark Elem School has class sizes smaller than 91% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Lewis-Clark Elem School ranks #1 of 3 public schools in Wood River, IL.
NCES ID 174305004320 Verify on NCES CCD record →
Enrollment
236
Illinois · 2024-25 NCES data
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
9.8:1
vs 14:1 Illinois avg
-30% vs state
How Lewis-Clark Elem School compares with Illinois and U.S. medians
Smaller classes than state median
9.8:1 - 4.2 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Lewis-Clark Elem School is a mid-sized elementary school in Wood River, Illinois, enrolling 236 students.
Classes run notably small here: at 9.8:1, Lewis-Clark Elem School is leaner than roughly 91% of Illinois schools and 30% under the state's 14:1 norm, more adult attention per pupil than most peers.
Enrollment of 236 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 led by White (75%) and Two or More (11%) (diversity index 41/100).
Chronic absenteeism is elevated: 33.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Wood River-Hartford Esd 15 also operates Hartford Elem School (172 students) and Lewis-Clark Jr High School (171 students) alongside Lewis-Clark Elem 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
Lewis-Clark Elem 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 | 9.8:1 | ▼ 30% | 14:1 | 15.7:1 |
| Enrollment | 236 | top 76% | - | - |
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 75.4% of enrollment.
Simpson diversity index - at 41.0, Lewis-Clark Elem School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Wood River-Hartford Esd 15, which includes Lewis-Clark Elem 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 |
|---|---|---|---|
| Hartford Elem School | Smaller | No free-lunch data | Higher S:T ratio |
| Lewis-Clark Jr High School | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Lewis-Clark Elem School'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 Lewis-Clark Elem 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.
Lewis-Clark Elem School has 236 students enrolled. It is an elementary school in Wood River, IL.
The student-teacher ratio at Lewis-Clark Elem School is 9.8:1, which is 30% lower than the Illinois average of 14:1 and 38% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Lewis-Clark Elem School is White at 75.4% of enrollment, in Wood River, IL.
Lewis-Clark Elem School has a Resource Investment Index of 36/100 (typical 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, Lewis-Clark Elem School ranks #1 of 3 public schools in Wood River, 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 Wood River on the city page.
Lewis-Clark Elem School earns 36/100 on the Resource Investment Index, with class sizes smaller than 91% 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 Lewis-Clark Elem School, Wood River-Hartford Esd 15 also operates Hartford Elem School (172 students) and Lewis-Clark Jr High School (171 students). See the Wood River-Hartford Esd 15 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, “Lewis-Clark Elem School, Wood River 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/lewis-clark-elem-school-il-2/
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