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SCHOOL COMMUNITY·OTTAWA TWP HSD 140·NCES 173033003141

Ottawa Township High School

211 E Main St, Ottawa, IL 61350 · (815) 433-1323 · LaSalle County
GRADES 09–12HIGH32-TOWNREGULAR SCHOOL1,223 STUDENTS
Enrollment
1,223
High
STATE 834
Student : Teacher
13.7:1
89 FTE teachers
STATE 13.8:1
Free / Reduced Lunch
,
Title I proxy
STATE 56%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 8
1
Grade 9
299
Grade 10
297
Grade 11
306
Grade 12
320
Student demographics
White
93677%
STATE 45%
Hispanic
20717%
STATE 29%
Black
222%
STATE 16%
Asian
91%
STATE 6%
Two+
444%
STATE 5%
Native American
40%
STATE 0%
Pacific Islander
10%
STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
62951%
Female
59449%

Discussions

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7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,223
-109 (-8%) vs 2017
Student : Teacher
13.7:1
was 14.5:1
% White
77%
was 83%
% Hispanic
17%
was 11%
% Black
2%
was 2%
% Asian
1%
was 1%
Source: NCES Common Core of Data

About Ottawa Township High School

Ottawa Township High School, a moderately sized 9-12 campus in Ottawa, Illinois, part of Ottawa Twp HSD 140, enrolls 1,223 students, covering grades 9 through 12. By comparison, Illinois's public schools average about 834 students each, so Ottawa Township High School sits 47% above that benchmark.

Ottawa Twp HSD 140 is the operating authority for Ottawa Township High School, handling staffing, calendars, and reporting to the state department of education.

In terms of who attends, Ottawa Township High School reports that the largest single group is White, at 77% of enrollment. Beyond that, the school logs 17% Hispanic, 4% multiracial. By comparison, LaSalle County as a whole is about 86% White, so the school skews visibly less White than its surroundings.

On the resource side, On paper, Ottawa Township High School has 89 full-time-equivalent teachers, translating to a class-load average of around 13.7:1. That tracks the state average closely.

Zooming out to the county, LaSalle County reports that median household earnings sit near $73,045, about 21% of the adult population holds a bachelor's degree or above, and roughly 11% of residents live below the federal poverty line. Ottawa Township High School is one of 54 public schools in LaSalle County (combined enrollment of about 14,523 students).

The closest other public school is Jefferson Elem School, roughly 0.9 miles away. Within five miles, there are 5 other public schools.

The campus sits in a small-town setting.

Over the past 7-year window. Ottawa Township High School's enrollment has contracted 8% since 2018, when it stood at 1,332 (now 1,223). The White share of enrollment declined from 83% to 77% over that span.

On this page, the page collects discussion, questions, and updates around sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.

LaSalle County at a glance

View full county profile
Population
108,714
Census ACS
Median income
$73,045
Household, ACS
Bachelor's+
21%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
54
14,523 students

Quick facts

School name
Ottawa Township High School
District
Ottawa Twp HSD 140
Address
211 E Main St, Ottawa, IL 61350
Phone
(815) 433-1323
County
LaSalle County
Level
High
Grade range
09–12
Total enrollment
1,223
Teachers (FTE)
89
Student–teacher ratio
13.7:1
Locale
32-Town: Distant
NCES ID
173033003141
Charter school
No
Virtual school
No

Related schools

Other schools in Ottawa Twp HSD 140
Other schools in Ottawa
Nearby schools

Frequently asked questions

About Ottawa Township High School
What is the total enrollment at Ottawa Township High School?
Ottawa Township High School enrolls approximately 1,223 students in grades 09-12.
What age range does Ottawa Township High School serve?
Ottawa Township High School serves students from grade 09 through grade 12.
How many students per teacher at Ottawa Township High School?
Approximately 13.7:1 students per teacher at Ottawa Township High School.
What is the racial breakdown of students at Ottawa Township High School?
At Ottawa Township High School, the student body is approximately 77% White, 17% Hispanic, 2% Black, 1% Asian, 4% Two or more.
Who oversees Ottawa Township High School?
Ottawa Township High School is overseen by Ottawa Twp HSD 140 in LaSalle County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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