Public school district · Town: Distant
Illinois · Lasalle County

Ottawa ESD 141

1,747 students · 5 schools · 12.9:1 ratio · grades PreK–8 · #230 of 862 in Illinois

Students
1,747
Schools
5
Teachers (FTE)
135
Student–Teacher
12.9:1
County
Lasalle
Grades
PreK–8
OverviewEnrollmentDemographicsStaffingFundingPerformanceAccreditationCompareFull data
Overview

About Ottawa ESD 141

Ottawa ESD 141 is a public school system serving Lasalle County, Illinois, based in Ottawa. It serves 1,747 students across 5 schools spanning PreK–8, and is classified as a town: distant district. By enrollment it is the #230 largest of Illinois’s 862 school systems.

Phone8154331133
Address320 W Main St, Ottawa, IL 61350
CountyLasalle County
Enrollment & schools

Size and structure

Ottawa ESD 141 enrolls 1,747 students in 5 schools — an average of about 349 students per school. It serves grades PreK–8 and ranks #230 of 862 statewide by enrollment.

Students
1,747
#230 of 862 in Illinois
Schools
5
~349 students each
Grade span
PreK–8
Town: Distant
Students & demographics

Who the district serves

Student race and ethnicity in Ottawa ESD 141, from the NCES Common Core of Data (1,747 students reported):

White
71%
Black
3%
Hispanic
19%
Asian
1%
Two or more
5%
Amer. Indian
0%
Pacific Isl.
0%

For economically-disadvantaged, English-learner, and special-education shares, plus school-by-school detail, see the federal sources in the full-data section.

Staffing & support

Teachers & staff

Ottawa ESD 141 employs about 135 full-time-equivalent teachers for a student–teacher ratio of 12.9:1 — below the Illinois average of about 13.6:1, meaning comparatively smaller classes. Total district staff is roughly 287.

Student–teacher ratio
12.9:1
state avg ~13.6:1
Teachers (FTE)
135
classroom teachers
Total staff
287
all district employees

Counselor and librarian/media counts are not published at the district level in the current NCES release; see the federal full-data links for staffing detail.

Funding

How Illinois funds schools

Illinois distributes most state K-12 aid through Evidence-Based Funding (EBF) (2017): the state sets each district’s research-based Adequacy Target, compares its local resources to that target, and sorts districts into four tiers, steering most new money to the districts furthest below adequacy, while a Base Funding Minimum ensures no district receives less than the prior year. The law targets at least $350 million in new EBF funding each year.

District-level per-pupil spending and the local/state/federal revenue split for Ottawa ESD 141 are published in the federal school-finance files — see the full-data links below for the current figures.

Accountability

Report card & state results

Illinois publishes the Illinois Report Card each year, reporting achievement and growth in English language arts and math, graduation, attendance, finances and climate, and assigns each school a summative designation (Exemplary, Commendable, Targeted or Comprehensive Support). Look up Ottawa ESD 141 on the Illinois Report Card.

Accreditation

Accreditation status

Illinois does not use an outside accreditor for public districts; the Illinois State Board of Education grants official recognition status based on compliance with state standards, and private accreditation (for example through Cognia) is voluntary. See ISBE’s public-school recognition.

How it compares

Ottawa ESD 141 vs. Illinois

Enrollment rank
#230
of 862 districts
Ratio
12.9:1
state avg ~13.6:1
Locale
Town: Distant
Lasalle County

See every Illinois district side by side in the Illinois directory.

Go deeper

Look up Ottawa ESD 141’s full data

These official sources carry the district-level detail — finances, discipline, equity, test scores, boundaries. Direct links for this district (via its NCES ID):

Data & sources

About this data

Enrollment, demographics, staffing, locale and contact details reflect the NCES Common Core of Data (2024–25); funding context from the Illinois State Board of Education (Evidence-Based Funding) and NEA Rankings & Estimates 2026. Figures are the latest available and may lag the current school year. This page is informational, not an official district record, and not affiliated with or endorsed by Ottawa ESD 141. NCES District ID (LEAID): 1730300. Confirm current details with the district and the Illinois State Board of Education.