High · Regular · Grades 9 to 12
Lake Forest High School, Lake Forest, IL
Lake Forest High School is a public high school in Lake Forest, part of Lake Forest CHSD 115 School District. It enrolled 1,359 students in 2024-25, with 10.4 students per full-time teacher.
Enrollment and teachers
- Students
- 1,359
- Teachers (FTE)
- 131.0
- Students per teacher
- 10.4
- Grades
- 9 to 12
This school's ratio is about the same as the district figure of 10.4. The Illinois average across schools is 13.7. Ratios count all teachers, including specialists, so they are lower than typical class sizes.
This school10.4
District10.4
Illinois13.7
United States15.3
School details
- Address
- 1285 N McKinley Rd, Lake Forest, IL 60045
- Phone
- (847)234-3600
- County
- Lake County
- Level
- High
- Type
- Regular
- Status
- Open
- Charter
- No
- Virtual
- No
- Locale
- Suburb: Large
- NCES school ID
- 172178002452
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.