Enrollment
2,770
Illinois · 2024-25 NCES data
High school (grades 9-12) · Winnetka, IL
New Trier Township H S Winnetka
Federal NCES profile for New Trier Township H S Winnetka, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 172820002975
👥 S:T ratio 56
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 31
📋 Attendance 44
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
New Trier Township H S Winnetka earns 52/100 on the Resource Investment Index, with class sizes smaller than 82% of Illinois schools. It is also one of the largest schools in Illinois.
- #6 of 6
- public schools in Winnetka · Resource Index
- 52
- Resource Index · Higher
- 11:1
- small classes for Illinois
- 2,770
- students enrolled
New Trier Township H S Winnetka has class sizes smaller than 82% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, New Trier Township H S Winnetka ranks #6 of 6 public schools in Winnetka, IL.
School address
District: New Trier Twp Hsd 203 · Illinois
NCES ID 172820002975 Verify on NCES CCD record →
Teachers (FTE)
252.0
Federal CCD staff survey
Students per teacher
11:1
vs 14:1 Illinois avg
-21% vs state
Student-teacher ratio in context
How New Trier Township H S Winnetka compares with Illinois and U.S. medians
What stands out at New Trier Township H S Winnetka
New Trier Township H S Winnetka is a large high school in Winnetka, Illinois, enrolling 2,770 students.
Class sizes run a bit leaner than typical: 11:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
By headcount it is one of the larger campuses in Illinois, bigger than 99% of state schools at 2,770 students.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by White (74%) and Asian (10%) (diversity index 43/100).
On the academic-pipeline side it reports 30 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 346 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 22.5% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding New Trier Twp Hsd 203 spends $34,924 per pupil, 105% above the Illinois average, a better-resourced district than most.
Its district, New Trier Twp Hsd 203, also runs New Trier Township H S Northfield (886 students).
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 New Trier Township H S Winnetka compares
New Trier Township H S Winnetka on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11:1 | ▼ 21% | 14:1 | 15.7:1 |
| Enrollment | 2,770 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11:1
Leaner classes than 83% of US schools, among the more generously staffed nationally.
2,770
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
11:1
students per teacher
- 21% below state mean
Top 18% in Illinois - lower ratio than 82% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
22.5%
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
$34,924
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
Counselors8.0 FTE
Per 346 students, the combined health-and-guidance staffing load for this school.
Discipline context
63
in-school suspensions + 5 out-of-school
Suspension rate: 2.3 per 100 students. Combined in-school and out-of-school rate: 2.5 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
White 73.9%
Asian 10.0%
Hispanic or Latino 8.6%
Two or More 6.4%
African American 0.8%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 73.9% of enrollment.
Student-body diversity index 43.2/100
Simpson diversity index - at 43.2, New Trier Township H S Winnetka is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 30
Funding & spending
District-wide per-pupil expenditure for New Trier Twp Hsd 203, which includes New Trier Township H S Winnetka.
$34,924
Per student
+105%
vs Illinois
Avg $17,042
+110%
vs U.S.
Avg $16,593
Revenue mix
Local 77.3%
State 19.6%
Federal 3.0%
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.
How New Trier Township H S Winnetka Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| New Trier Township H S Northfield | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to New Trier Township H S Winnetka's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 886
- Students per teacher
- 10.5:1
- Resource Index
- 53/100
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 (~2,770 students)
Similar student-teacher ratio (~11:1)
Next steps
Verify locally before acting on New Trier Township H S Winnetka's federal record.
- Compare New Trier Township H S Winnetka against another school. Compare schools
- New Trier Twp Hsd 203'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 New Trier Township H S Winnetka
How many students attend New Trier Township H S Winnetka?
New Trier Township H S Winnetka has 2,770 students enrolled. It is a high school in Winnetka, IL.
What is the student-teacher ratio at New Trier Township H S Winnetka?
The student-teacher ratio at New Trier Township H S Winnetka is 11:1, which is 21% lower than the Illinois average of 14:1 and 30% 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 New Trier Township H S Winnetka?
The largest demographic group at New Trier Township H S Winnetka is White at 73.9% of enrollment, in Winnetka, IL.
What is the Resource Investment Index for New Trier Township H S Winnetka?
New Trier Township H S Winnetka has a Resource Investment Index of 52/100 (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 New Trier Township H S Winnetka rank among public schools in Winnetka?
By Resource Investment Index, New Trier Township H S Winnetka ranks #6 of 6 public schools in Winnetka, 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 Winnetka on the city page.
Is New Trier Township H S Winnetka a good school?
New Trier Township H S Winnetka earns 52/100 on the Resource Investment Index, with class sizes smaller than 82% 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 New Trier Twp Hsd 203?
Besides New Trier Township H S Winnetka, New Trier Twp Hsd 203 also operates New Trier Township H S Northfield (886 students). See the New Trier Twp Hsd 203 district page for the complete list.
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.