Enrollment
271
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Downers Grove, IL
Federal NCES profile for Henry Puffer School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
The verdict
Henry Puffer School earns 58/100 on the Resource Investment Index, with class sizes smaller than 84% of Illinois schools.
Henry Puffer School has class sizes smaller than 84% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Henry Puffer School ranks #10 of 11 schools in Downers Grove, IL.
NCES ID 171254005197 Verify on NCES CCD record →
Enrollment
271
Illinois · 2024-25 NCES data
Teachers (FTE)
25.0
Federal CCD staff survey
Students per teacher
10.8:1
vs 14:1 Illinois avg
-23% vs state
How Henry Puffer School compares with Illinois and U.S. medians
Smaller classes than state median
10.8:1 - 3.2 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Henry Puffer School is a mid-sized combined-grade school in Downers Grove, Illinois, enrolling 271 students.
Class sizes run a bit leaner than typical: 10.8:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 271 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index outscores 92% of the 3,845 Illinois schools with a score on record, a top-tier result on this measure.
Its student body is led by White (68%) and Hispanic or Latino (13%) (diversity index 51/100).
Attendance runs somewhat below the norm, with 20.7% of students chronically absent per the 2021-22 civil-rights collection.
Among Downers Grove's public schools, it stands alongside Lester Elem School (531 students): Henry Puffer School is smaller than that campus by headcount and runs leaner classes (10.8:1 vs 18.3:1).
Downers Grove Gsd 58 also operates Herrick Middle School (626 students) and Lester Elem School (531 students) alongside Henry Puffer 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
Henry Puffer 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 | 10.8:1 | ▼ 23% | 14:1 | 15.7:1 |
| Enrollment | 271 | top 69% | - | - |
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 67.9% of enrollment.
Simpson diversity index - at 51.1, Henry Puffer School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Downers Grove Gsd 58, which includes Henry Puffer 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 |
|---|---|---|---|
| Herrick Middle School | Larger | No free-lunch data | Higher S:T ratio |
| Lester Elem School | Larger | No free-lunch data | Higher S:T ratio |
| O Neill Middle School | Larger | No free-lunch data | Higher S:T ratio |
| Hillcrest Elem School | Larger | No free-lunch data | Higher S:T ratio |
| Kingsley Elem School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Henry Puffer School's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) 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 Henry Puffer 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.
Henry Puffer School has 271 students enrolled. It is a public school in Downers Grove, IL.
The student-teacher ratio at Henry Puffer School is 10.8:1, which is 23% lower than the Illinois average of 14:1 and 31% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Henry Puffer School is White at 67.9% of enrollment, in Downers Grove, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.1/100.
Henry Puffer School has a Resource Investment Index of 58/100 (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, Henry Puffer School ranks #10 of 11 schools in Downers Grove, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Downers Grove on the city page.
Henry Puffer School earns 58/100 on the Resource Investment Index, with class sizes smaller than 84% 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 Henry Puffer School, Downers Grove Gsd 58 also operates Herrick Middle School (626 students), Lester Elem School (531 students), and O Neill Middle School (403 students). See the Downers Grove Gsd 58 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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Last updated:
PlainSchools, “Henry Puffer School, Downers Grove 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/henry-puffer-school-il/
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