High · Regular · Grades 10 to 12
New Trier Township High School Winnetka, Winnetka, IL
New Trier Township High School Winnetka is a public high school in Winnetka, part of New Trier Twp HSD 203 School District. It enrolled 2,770 students in 2024-25, with 11.3 students per full-time teacher.Listed in NCES data as "New Trier Township H S Winnetka".
Enrollment and teachers
- Students
- 2,770
- Teachers (FTE)
- 246.0
- Students per teacher
- 11.3
- Grades
- 10 to 12
This school's ratio is about the same as 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 school11.3
District11.1
Illinois13.7
United States15.3
School details
- Address
- 385 Winnetka Ave, Winnetka, IL 60093
- Phone
- (847)446-7000
- County
- Cook County
- Level
- High
- Type
- Regular
- Status
- Open
- Charter
- No
- Virtual
- No
- Locale
- Suburb: Large
- NCES school ID
- 172820002975
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.