Secondary · Regular · Grades 9
New Trier Township High School Northfield, Northfield, IL
New Trier Township High School Northfield is a public secondary school in Northfield, part of New Trier Twp HSD 203 School District. It enrolled 886 students in 2024-25, with 10.5 students per full-time teacher.Listed in NCES data as "New Trier Township H S Northfield".
Enrollment and teachers
- Students
- 886
- Teachers (FTE)
- 84.0
- Students per teacher
- 10.5
- Grades
- 9
This school's ratio is 0.6 lower than the district figure of 11.1. The Illinois average across schools is 13.7. Ratios count all teachers, including specialists, so they are lower than typical class sizes.
This school10.5
District11.1
Illinois13.7
United States15.3
School details
- Address
- 7 Happ Rd, Northfield, IL 60093
- Phone
- (847)446-7000
- County
- Cook County
- Level
- Secondary
- Type
- Regular
- Status
- Open
- Charter
- No
- Virtual
- No
- Locale
- Suburb: Large
- NCES school ID
- 172820004263
Related schools
We publish official enrollment and staffing data, not ratings or test scores.
Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.