- Enrollment
- 777
- Students per teacher
- 16.2:1
- Resource Index
- 52/100
High school (grades 9-12) · Lisle, IL
Lisle High School
Federal NCES profile for Lisle High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 172320002553
👥 S:T ratio 54
🌟 Gifted program 30
🎓 Counselors 55
📋 Attendance 33
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lisle High School earns 43/100 on the Resource Investment Index, with class sizes smaller than 77% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #4 of 4
- public schools in Lisle · Resource Index
- 43
- Resource Index · Typical
- 11.5:1
- small classes for Illinois
- 447
- students enrolled
Lisle High School has class sizes smaller than 77% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Lisle High School ranks #4 of 4 public schools in Lisle, IL.
School address
District: Lisle Cusd 202 · Illinois
NCES ID 172320002553 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+4 students YoY
Lisle High School held near 435 students from 2022-23 to 2023-24 (+4 headcount).
Teacher FTE held 39.8 → 39.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+4 students YoY 172320002553 · Lisle, IL High · SMALL · TRAD
447 enr · 11.5:1 · RII 43
Nearest enrollment peer: Lisle Elementary School (777 students)
Lisle High School held near 435 students from 2022-23 to 2023-24 (+4 headcount). Teacher FTE held 39.8 → 39.8 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Lisle High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lisle Elementa
Lisle Elementary School
777 students
- This school
Lisle High School
447 students
- Lisle Jr High
Lisle Jr High School
338 students
What this shows Lisle High School reports 447 students on the CCD universe file.
How Lisle High School compares
Lisle High School held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.5:1 | ▼ 18% | 14:1 | 15.7:1 |
| Enrollment | 447 | top 38% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.5:1
Leaner classes than 79% of US schools, among the more generously staffed nationally.
447
Bigger than 54% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
11.5:1
students per teacher
- 18% below state mean
Top 23% in Illinois - lower ratio than 77% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
26.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$27,944
per pupil, district-wide
- above Illinois avg of $18,196
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 224 students, the combined health-and-guidance staffing load for this school.
Discipline context
44
in-school suspensions + 12 out-of-school
Suspension rate: 9.8 per 100 students. Combined in-school and out-of-school rate: 12.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 54.5%
Hispanic or Latino 22.9%
African American 9.9%
Two or More 7.0%
Asian 5.6%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 54.5% of enrollment.
Student-body diversity index 63.3/100
Simpson diversity index - at 63.3, Lisle High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 9
District finance for Lisle Cusd 202 reports $27,944 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Lisle High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lisle Elementary School | Larger | No free-lunch data | Higher S:T ratio |
| Lisle Jr High School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Lisle High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 338
- Students per teacher
- 11.3:1
- Resource Index
- 60/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~447 students)
Frequently asked questions about Lisle High School
How many students attend Lisle High School?
Lisle High School has 447 students enrolled. It is a high school in Lisle, IL. CCD year-over-year: 431 (2022-23) → 435 (2023-24), nearly flat (+4).
What is the student-teacher ratio at Lisle High School?
The student-teacher ratio at Lisle High School is 11.5:1, which is 18% lower than the Illinois average of 14:1 and 27% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Lisle High School?
The largest demographic group at Lisle High School is White at 54.5% of enrollment, in Lisle, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.3/100.
What is the Resource Investment Index for Lisle High School?
Lisle High School has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lisle High School rank among public schools in Lisle?
By Resource Investment Index, Lisle High School ranks #4 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.
What other schools are in Lisle Cusd 202?
Besides Lisle High School, Lisle Cusd 202 also operates Lisle Elementary School (777 students) and Lisle Jr High School (338 students). See the Lisle Cusd 202 district page for the complete list.