High · Regular · Grades 9 to 12
Ottawa Township High School, Ottawa, IL
Ottawa Township High School is a public high school in Ottawa, part of Ottawa Twp HSD 140 School District. It enrolled 1,223 students in 2024-25, with 13.7 students per full-time teacher.
Enrollment and teachers
- Students
- 1,223
- Teachers (FTE)
- 89.0
- Students per teacher
- 13.7
- Grades
- 9 to 12
This school's ratio is about the same as the district figure of 13.7. The Illinois average across schools is 13.7. Ratios count all teachers, including specialists, so they are lower than typical class sizes.
This school13.7
District13.7
Illinois13.7
United States15.3
School details
- Address
- 211 E Main St, Ottawa, IL 61350
- Phone
- (815)433-1323
- County
- LaSalle County
- Level
- High
- Type
- Regular
- Status
- Open
- Charter
- No
- Virtual
- No
- Locale
- Town: Distant
- NCES school ID
- 173033003141
Related schools
Other high schools in Ottawa Twp HSD 140 School District
- LaSalle Co Detention Center 9-12 0 students
High schools elsewhere in Ottawa
- ROE 35 Regional Work Study Progra La Salle/Marshall/Putnam ROE
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.