Enrollment
4,758
Illinois · 2024-25 NCES data
High school (grades 9-12) · Lincolnshire, IL
Adlai E Stevenson High School
Federal NCES profile for Adlai E Stevenson High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173258003385
👥 S:T ratio 24
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 47
📋 Attendance 54
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Adlai E Stevenson High School earns 51/100 on the Resource Investment Index, with class sizes larger than 94% of Illinois schools. It is also one of the largest schools in Illinois.
- #4 of 4
- public schools in Lincolnshire · Resource Index
- 51
- Resource Index · Higher
- 18.9:1
- large classes for Illinois
- 4,758
- students enrolled
Adlai E Stevenson High School has class sizes larger than 94% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Adlai E Stevenson High School ranks #4 of 4 public schools in Lincolnshire, IL.
School address
District: Adlai E Stevenson Hsd 125 · Illinois
NCES ID 173258003385 Verify on NCES CCD record →
Teachers (FTE)
252.0
Federal CCD staff survey
Students per teacher
18.9:1
vs 14:1 Illinois avg
+35% vs state
Student-teacher ratio in context
How Adlai E Stevenson High School compares with Illinois and U.S. medians
What stands out at Adlai E Stevenson High School
Adlai E Stevenson High School is a large high school in Lincolnshire, Illinois, enrolling 4,758 students.
Class loads run heavy: 18.9:1 is larger than about 94% of Illinois schools and 35% above the 14:1 state mean, so each teacher carries more students than is typical.
By headcount it is one of the larger campuses in Illinois, bigger than 99% of state schools at 4,758 students.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by Asian (44%) and White (41%), more mixed than most schools in the state (diversity index 63/100).
On the academic-pipeline side it reports 34 Advanced Placement courses.
Counselor coverage runs a bit thin, about 264 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 18.5% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Adlai E Stevenson Hsd 125 spends $27,980 per pupil, 64% above the Illinois average, a better-resourced district than most.
Adlai E Stevenson Hsd 125 operates only this one school, so Adlai E Stevenson High School has no district-mates to compare against locally. At 4,758 students, it is also among the largest single-school districts in Illinois, well beyond the enrollment of a typical standalone charter.
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
How Adlai E Stevenson High School compares
Adlai E Stevenson 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 | 18.9:1 | ▲ 35% | 14:1 | 15.7:1 |
| Enrollment | 4,758 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.9:1
Leaner classes than 20% of US schools, heavier class loads than most.
4,758
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
18.9:1
students per teacher
- 35% above state mean
Top 94% in Illinois - lower ratio than 6% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
18.5%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$27,980
per pupil, district-wide
- above Illinois avg of $17,042
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors18.0 FTE
Per 264 students, the combined health-and-guidance staffing load for this school.
Discipline context
145
in-school suspensions + 38 out-of-school
Suspension rate: 3.0 per 100 students. Combined in-school and out-of-school rate: 3.8 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
Asian 44.4%
White 41.0%
Hispanic or Latino 8.7%
Two or More 3.6%
African American 1.9%
American Indian / Alaska Native 0.4%
Largest group: Asian at 44.4% of enrollment.
Student-body diversity index 62.6/100
Simpson diversity index - at 62.6, Adlai E Stevenson High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 34
Funding & spending
District-wide per-pupil expenditure for Adlai E Stevenson Hsd 125, which includes Adlai E Stevenson High School.
$27,980
Per student
+64%
vs Illinois
Avg $17,042
+69%
vs U.S.
Avg $16,593
Revenue mix
Local 80.6%
State 19.1%
Federal 0.3%
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.
Similar high schools statewide
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.
Similar enrollment (~4,758 students)
Next steps
Verify locally before acting on Adlai E Stevenson High School's federal record.
- Compare Adlai E Stevenson High School against another school. Compare schools
- Adlai E Stevenson Hsd 125's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Adlai E Stevenson High School
How many students attend Adlai E Stevenson High School?
Adlai E Stevenson High School has 4,758 students enrolled. It is a high school in Lincolnshire, IL.
What is the student-teacher ratio at Adlai E Stevenson High School?
The student-teacher ratio at Adlai E Stevenson High School is 18.9:1, which is 35% higher than the Illinois average of 14:1 and 20% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Adlai E Stevenson High School?
The largest demographic group at Adlai E Stevenson High School is Asian at 44.4% of enrollment, in Lincolnshire, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.6/100.
What is the Resource Investment Index for Adlai E Stevenson High School?
Adlai E Stevenson High School has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Adlai E Stevenson High School rank among public schools in Lincolnshire?
By Resource Investment Index, Adlai E Stevenson High School ranks #4 of 4 public schools in Lincolnshire, 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 Lincolnshire on the city page.
Is Adlai E Stevenson High School a good school?
Adlai E Stevenson High School earns 51/100 on the Resource Investment Index, with class sizes larger than 94% of Illinois schools. It is also one of the largest schools in Illinois. 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.
What other schools are in Adlai E Stevenson Hsd 125?
None reported; Adlai E Stevenson Hsd 125 operates only Adlai E Stevenson High School as a public school district in NCES's records.
Related tools
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.