Enrollment
1,223
Illinois · 2024-25 NCES data
High school (grades 9-12) · Ottawa, IL
Ottawa Township High School
Federal NCES profile for Ottawa Township High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173033003141
👥 S:T ratio 46
📚 AP courses 25
🌟 Gifted program 30
🎓 Counselors 51
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ottawa Township High School earns 30/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois.
- #9 of 9
- public schools in Ottawa · Resource Index
- 30
- Resource Index · Lower
- 13.6:1
- students per teacher
- 1,223
- students enrolled
Ottawa Township High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Ottawa Township High School ranks #9 of 9 public schools in Ottawa, IL.
School address
District: Ottawa Twp Hsd 140 · Illinois
NCES ID 173033003141 Verify on NCES CCD record →
Teachers (FTE)
90.0
Federal CCD staff survey
Students per teacher
13.6:1
vs 14:1 Illinois avg
-3% vs state
Student-teacher ratio in context
How Ottawa Township High School compares with Illinois and U.S. medians
What stands out at Ottawa Township High School
Ottawa Township High School is a large high school in Ottawa, Illinois, enrolling 1,223 students.
At 13.6:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
By headcount it is one of the larger campuses in Illinois, bigger than 95% of state schools at 1,223 students.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by White (77%) and Hispanic or Latino (17%) (diversity index 39/100).
On the academic-pipeline side it reports 5 Advanced Placement courses.
Counselor coverage is strong, about 245 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 53.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Ottawa Twp Hsd 140 operates only this one school, so Ottawa Township High School has no district-mates to compare against locally. At 1,223 students, it is also among the largest single-school districts in Illinois, well beyond the enrollment of a typical standalone charter.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Ottawa Township High School compares
Ottawa Township High School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.6:1 | ▼ 3% | 14:1 | 15.7:1 |
| Enrollment | 1,223 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.6:1
Leaner classes than 61% of US schools, a middle-of-the-pack class size.
1,223
Bigger than 94% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
13.6:1
students per teacher
- 3% below state mean
Top 51% in Illinois - lower ratio than 49% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
53.9%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$15,989
per pupil, district-wide
- below Illinois avg of $17,042
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors5.0 FTE
Per 245 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 173 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 14.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 76.5%
Hispanic or Latino 16.9%
Two or More 3.6%
African American 1.8%
Asian 0.7%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 76.5% of enrollment.
Student-body diversity index 38.5/100
Simpson diversity index - at 38.5, Ottawa Township High School is about as mixed as the Illinois school average of 38.9.
Programs
AP courses offered 5
Funding & spending
District-wide per-pupil expenditure for Ottawa Twp Hsd 140, which includes Ottawa Township High School.
$15,989
Per student
-6%
vs Illinois
Avg $17,042
-4%
vs U.S.
Avg $16,593
Revenue mix
Local 68.6%
State 26.0%
Federal 5.4%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,223 students)
Next steps
Verify locally before acting on Ottawa Township High School's federal record.
- Compare Ottawa Township High School against another school. Compare schools
- Ottawa Twp Hsd 140's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Ottawa Township High School
How many students attend Ottawa Township High School?
Ottawa Township High School has 1,223 students enrolled. It is a high school in Ottawa, IL.
What is the student-teacher ratio at Ottawa Township High School?
The student-teacher ratio at Ottawa Township High School is 13.6:1, which is 3% lower than the Illinois average of 14:1 and 13% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Ottawa Township High School?
The largest demographic group at Ottawa Township High School is White at 76.5% of enrollment, in Ottawa, IL.
What is the Resource Investment Index for Ottawa Township High School?
Ottawa Township High School has a Resource Investment Index of 30/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ottawa Township High School rank among public schools in Ottawa?
By Resource Investment Index, Ottawa Township High School ranks #9 of 9 public schools in Ottawa, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Ottawa on the city page.
Is Ottawa Township High School a good school?
Ottawa Township High School earns 30/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Ottawa Twp Hsd 140?
None reported; Ottawa Twp Hsd 140 operates only Ottawa Township High School as a public school district in NCES's records.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.