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Ottawa Township High School

211 E Main St, Ottawa, IL 61350

CSchola Grade
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Grades
9–12
High
Students
1,223
Enrolled 2024–25
Students per teacher
13.7 : 1
Full-time teachers
District
Ottawa Twp HSD 140
LaSalle County

Schola Grade C · Average

Letter grade (A–F) · compared with 684 Illinois high schools · How we grade
Test scores25% proficient in math & reading
59thpercentile
Equity12% of low-income students proficient
51stpercentile
Attendance34% chronically absent
41stpercentile
Graduation rate82% graduate in 4 years
26thpercentile
College readinessAt least 22% take AP, IB or dual-enrollment courses
54thpercentile
Class size13.7 students per teacher
49thpercentile

Percentiles compare this school with other Illinois high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Ottawa Township High School

Ottawa Township High School is a public high school in Ottawa, Illinois, serving grades 9–12. It is part of Ottawa Twp HSD 140. The school is located in a town in LaSalle County.

In the 2024–25 school year, 1,223 students were enrolled, with about 13.7 students for every full-time teacher. That ratio is close to the typical Illinois high school (13.3 students per teacher). Its Schola Grade is C (average), compared with 684 Illinois high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

211 E Main St
Ottawa, IL 61350
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
1,223 students
Students per teacher
13.7 to 1
AP courses offered
5
Charter school
No
Magnet school
No
Locale
Town — Distant
School district
Ottawa Twp HSD 140
County
LaSalle County
NCES school ID
173033003141

Schools near Ottawa Township High School

All 14 schools in Ottawa →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.