Enrollment
886
Illinois · 2024-25 NCES data
High school (grades 9-12) · Northfield, IL
New Trier Township H S Northfield
Federal NCES profile for New Trier Township H S Northfield, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 172820004263
👥 S:T ratio 58
📚 AP courses 10
🌟 Gifted program 30
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
New Trier Township H S Northfield earns 43/100 on the Resource Investment Index, with class sizes smaller than 86% of Illinois schools.
- #3 of 3
- public schools in Northfield · Resource Index
- 43
- Resource Index · Typical
- 10.5:1
- small classes for Illinois
- 886
- students enrolled
New Trier Township H S Northfield has class sizes smaller than 86% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, New Trier Township H S Northfield ranks #3 of 3 public schools in Northfield, IL.
School address
District: New Trier Twp Hsd 203 · Illinois
NCES ID 172820004263 Verify on NCES CCD record →
Teachers (FTE)
84.0
Federal CCD staff survey
Students per teacher
10.5:1
vs 14:1 Illinois avg
-25% vs state
Student-teacher ratio in context
How New Trier Township H S Northfield compares with Illinois and U.S. medians
What stands out at New Trier Township H S Northfield
New Trier Township H S Northfield is a large high school in Northfield, Illinois, enrolling 886 students.
Classes run notably small here: at 10.5:1, New Trier Township H S Northfield is leaner than roughly 86% of Illinois schools and 25% under the state's 14:1 norm, more adult attention per pupil than most peers.
By headcount it is one of the larger campuses in Illinois, bigger than 91% of state schools at 886 students.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (74%) and Asian (9%) (diversity index 44/100).
No Advanced Placement courses are reported for this campus in the federal data.
11.1% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
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 Winnetka (2,770 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 Northfield compares
New Trier Township H S Northfield on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.5:1 | ▼ 25% | 14:1 | 15.7:1 |
| Enrollment | 886 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.5:1
Leaner classes than 86% of US schools, among the more generously staffed nationally.
886
Bigger than 88% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
10.5:1
students per teacher
- 25% below state mean
Top 14% in Illinois - lower ratio than 86% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
11.1%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
37
in-school suspensions + 11 out-of-school
Suspension rate: 4.2 per 100 students. Combined in-school and out-of-school rate: 5.4 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 73.6%
Asian 9.0%
Hispanic or Latino 8.6%
Two or More 7.5%
African American 1.3%
Largest group: White at 73.6% of enrollment.
Student-body diversity index 43.7/100
Simpson diversity index - at 43.7, New Trier Township H S Northfield is more mixed than the Illinois school average of 38.9.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for New Trier Twp Hsd 203, which includes New Trier Township H S Northfield.
$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 Northfield Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| New Trier Township H S Winnetka | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to New Trier Township H S Northfield's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,770
- Students per teacher
- 11:1
- Resource Index
- 40/100
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 (~886 students)
Similar student-teacher ratio (~10.5:1)
Next steps
Verify locally before acting on New Trier Township H S Northfield's federal record.
- Compare New Trier Township H S Northfield 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 Northfield
How many students attend New Trier Township H S Northfield?
New Trier Township H S Northfield has 886 students enrolled. It is a high school in Northfield, IL.
What is the student-teacher ratio at New Trier Township H S Northfield?
The student-teacher ratio at New Trier Township H S Northfield is 10.5:1, which is 25% lower than the Illinois average of 14:1 and 33% 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 Northfield?
The largest demographic group at New Trier Township H S Northfield is White at 73.6% of enrollment, in Northfield, IL.
What is the Resource Investment Index for New Trier Township H S Northfield?
New Trier Township H S Northfield has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does New Trier Township H S Northfield rank among public schools in Northfield?
By Resource Investment Index, New Trier Township H S Northfield ranks #3 of 3 public schools in Northfield, 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 Northfield on the city page.
Is New Trier Township H S Northfield a good school?
New Trier Township H S Northfield earns 43/100 on the Resource Investment Index, with class sizes smaller than 86% 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.
What other schools are in New Trier Twp Hsd 203?
Besides New Trier Township H S Northfield, New Trier Twp Hsd 203 also operates New Trier Township H S Winnetka (2,770 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.