Enrollment
338
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Lisle, IL
Federal NCES profile for Lisle Jr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 60/100.
The verdict
Lisle Jr High School earns 60/100 on the Resource Investment Index, with class sizes smaller than 79% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
Lisle Jr High School has class sizes smaller than 79% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Lisle Jr High School ranks #1 of 4 public schools in Lisle, IL.
NCES ID 172320002554 Verify on NCES CCD record →
Enrollment
338
Illinois · 2024-25 NCES data
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
11.3:1
vs 14:1 Illinois avg
-19% vs state
How Lisle Jr High School compares with Illinois and U.S. medians
Smaller classes than state median
11.3:1 - 2.7 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Lisle Jr High School is a mid-sized middle school in Lisle, Illinois, enrolling 338 students.
Class sizes run a bit leaner than typical: 11.3:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
With 338 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index outscores 94% 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 (58%) and Hispanic or Latino (24%), more mixed than most schools in the state (diversity index 60/100).
Attendance runs somewhat below the norm, with 18.0% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Lisle Cusd 202 spends $26,379 per pupil, 55% above the Illinois average, a better-resourced district than most.
Among Lisle's middle schools, it stands alongside Kennedy Junior High School (937 students): Lisle Jr High School is smaller than that campus by headcount and runs leaner classes (11.3:1 vs 14.4:1).
Lisle Cusd 202 also operates Lisle Elementary School (777 students) and Lisle High School (447 students) alongside Lisle Jr High 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
Lisle Jr High 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 | 11.3:1 | ▼ 19% | 14:1 | 15.7:1 |
| Enrollment | 338 | top 56% | - | - |
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 57.7% of enrollment.
Simpson diversity index - at 59.7, Lisle Jr High School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Lisle Cusd 202, which includes Lisle Jr High 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 |
|---|---|---|---|
| Lisle Elementary School | Larger | No free-lunch data | Higher S:T ratio |
| Lisle High School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Lisle Jr High School's own figures; each column derives from NCES Common Core of Data.
1 comparable middle schools (grades 6-8) 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 Lisle Jr High 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.
Lisle Jr High School has 338 students enrolled. It is a middle school in Lisle, IL.
The student-teacher ratio at Lisle Jr High School is 11.3:1, which is 19% lower than the Illinois average of 14:1 and 28% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Lisle Jr High School is White at 57.7% of enrollment, in Lisle, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.7/100.
Lisle Jr High School has a Resource Investment Index of 60/100 (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, Lisle Jr High School ranks #1 of 4 public schools in Lisle, 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 Lisle on the city page.
Lisle Jr High School earns 60/100 on the Resource Investment Index, with class sizes smaller than 79% 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 Lisle Jr High School, Lisle Cusd 202 also operates Lisle Elementary School (777 students) and Lisle High School (447 students). See the Lisle Cusd 202 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, “Lisle Jr High School, Lisle 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/lisle-jr-high-school-il
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