Enrollment
391
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Bolingbrook, IL
Federal NCES profile for Jonas E Salk Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
The verdict
Jonas E Salk Elem School earns 50/100 on the Resource Investment Index, with class sizes smaller than 93% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
Jonas E Salk Elem School has class sizes smaller than 93% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Jonas E Salk Elem School ranks #4 of 8 elementary schools in Bolingbrook, IL.
NCES ID 174007004031 Verify on NCES CCD record →
Enrollment
391
Illinois · 2024-25 NCES data
Teachers (FTE)
41.0
Federal CCD staff survey
Students per teacher
9.5:1
vs 14:1 Illinois avg
-32% vs state
How Jonas E Salk Elem School compares with Illinois and U.S. medians
Smaller classes than state median
9.5:1 - 4.5 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Jonas E Salk Elem School is a mid-sized elementary school in Bolingbrook, Illinois, enrolling 391 students.
Classes run notably small here: at 9.5:1, Jonas E Salk Elem School is leaner than roughly 93% of Illinois schools and 32% under the state's 14:1 norm, more adult attention per pupil than most peers.
With 391 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 Hispanic or Latino (51%) and African American (24%), more mixed than most schools in the state (diversity index 65/100).
Chronic absenteeism is elevated: 33.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Valley View Cusd 365u spends $20,866 per pupil, 22% above the Illinois average, a better-resourced district than most.
Among Bolingbrook's elementary schools, it stands alongside Oak View Elem School (636 students): Jonas E Salk Elem School is smaller than that campus by headcount and runs leaner classes (9.5:1 vs 14.5:1).
Valley View Cusd 365u also operates Bolingbrook High School (3,298 students) and Romeoville High School (1,848 students) alongside Jonas E Salk 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
Jonas E Salk 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 | 9.5:1 | ▼ 32% | 14:1 | 15.7:1 |
| Enrollment | 391 | top 47% | - | - |
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: Hispanic or Latino at 51.4% of enrollment.
Simpson diversity index - at 64.9, Jonas E Salk Elem School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Valley View Cusd 365u, which includes Jonas E Salk 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 |
|---|---|---|---|
| Bolingbrook High School | Larger | No free-lunch data | Higher S:T ratio |
| Romeoville High School | Larger | No free-lunch data | Higher S:T ratio |
| Brooks Middle School | Larger | No free-lunch data | Similar S:T ratio |
| Oak View Elem School | Larger | No free-lunch data | Higher S:T ratio |
| Independence Elem School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Jonas E Salk 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 Jonas E Salk 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.
Jonas E Salk Elem School has 391 students enrolled. It is an elementary school in Bolingbrook, IL.
The student-teacher ratio at Jonas E Salk Elem School is 9.5:1, which is 32% lower than the Illinois average of 14:1 and 39% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Jonas E Salk Elem School is Hispanic or Latino at 51.4% of enrollment, in Bolingbrook, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.9/100.
Jonas E Salk Elem School has a Resource Investment Index of 50/100 (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, Jonas E Salk Elem School ranks #4 of 8 elementary schools in Bolingbrook, 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 Bolingbrook on the city page.
Jonas E Salk Elem School earns 50/100 on the Resource Investment Index, with class sizes smaller than 93% 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 Jonas E Salk Elem School, Valley View Cusd 365u also operates Bolingbrook High School (3,298 students), Romeoville High School (1,848 students), and Brooks Middle School (850 students). See the Valley View Cusd 365u 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, “Jonas E Salk Elem School, Bolingbrook 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/jonas-e-salk-elem-school-il
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