Enrollment
414
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Springfield, IL
Federal NCES profile for Iles Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
The verdict
Iles Elem School earns 56/100 on the Resource Investment Index, with class sizes larger than 88% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
Iles Elem School has class sizes larger than 88% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Iles Elem School ranks #1 of 18 elementary schools in Springfield, IL.
NCES ID 173708003825 Verify on NCES CCD record →
Enrollment
414
Illinois · 2024-25 NCES data
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
17.3:1
vs 14:1 Illinois avg
+24% vs state
How Iles Elem School compares with Illinois and U.S. medians
Larger classes than state median
17.3:1 - 3.3 above the Illinois state median of 14:1, indicating larger average class loads than typical schools in the state.
Iles Elem School is a mid-sized elementary school in Springfield, Illinois, enrolling 414 students.
Class loads run heavy: 17.3:1 is larger than about 88% of Illinois schools and 24% above the 14:1 state mean, so each teacher carries more students than is typical.
With 414 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (46%) and Asian (24%), more mixed than most schools in the state (diversity index 70/100).
13.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Springfield Sd 186 spends $20,525 per pupil, 20% above the Illinois average, a better-resourced district than most.
Its district draws 18.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Springfield's elementary schools, it stands alongside Dubois Elem School (469 students): Iles Elem School is smaller than that campus by headcount and runs heavier classes (17.3:1 vs 16.8:1).
Springfield Sd 186 also operates Springfield High School (1,308 students) and Springfield Southeast High Sch (1,229 students) alongside Iles 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
Iles 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 | 17.3:1 | ▲ 24% | 14:1 | 15.7:1 |
| Enrollment | 414 | top 43% | - | - |
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 46.0% of enrollment.
Simpson diversity index - at 69.8, Iles Elem School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Springfield Sd 186, which includes Iles 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 |
|---|---|---|---|
| Springfield High School | Larger | No free-lunch data | Similar S:T ratio |
| Springfield Southeast High Sch | Larger | No free-lunch data | Lower S:T ratio |
| Lanphier High School | Larger | No free-lunch data | Lower S:T ratio |
| Benjamin Franklin Middle School | Larger | No free-lunch data | Lower S:T ratio |
| Early Learning Center | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Iles Elem School's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) serving the same city.
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 Iles 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.
Iles Elem School has 414 students enrolled. It is an elementary school in Springfield, IL.
The student-teacher ratio at Iles Elem School is 17.3:1, which is 24% higher than the Illinois average of 14:1 and 10% higher than the national average of 15.7:1.
The largest demographic group at Iles Elem School is White at 46.0% of enrollment, in Springfield, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.8/100.
Iles Elem School has a Resource Investment Index of 56/100 (higher 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, Iles Elem School ranks #1 of 18 elementary schools in Springfield, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Springfield on the city page.
Iles Elem School earns 56/100 on the Resource Investment Index, with class sizes larger than 88% of Illinois schools. It is also more racially and ethnically mixed than most 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 Iles Elem School, Springfield Sd 186 also operates Springfield High School (1,308 students), Springfield Southeast High Sch (1,229 students), and Lanphier High School (1,117 students). See the Springfield Sd 186 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, “Iles Elem School, Springfield 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/iles-elem-school-il
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