Enrollment
339
Middle
DISTRICT 346 · STATE 462
SCHOOL COMMUNITY·OTTAWA ESD 141·NCES 173030003135
Central Intermediate School
711 E McKinley Rd, Ottawa, IL 61350 · (815) 433-3761 · LaSalle County
GRADES 05–06MIDDLE32-TOWNTITLE IREGULAR SCHOOL339 STUDENTS
Student : Teacher
12.3:1
28 FTE teachers
DISTRICT 11.9:1 · STATE 13.0:1
Free / Reduced Lunch
56%
191 students
DISTRICT 57% · STATE 56%
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 5 | 174 | 51% |
| Grade 6 | 164 | 48% |
| Grade 8 | 1 | 0% |
Student demographics
43%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 46% · STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Central Intermediate School→Shepherd Middle School
Feeds from
Based on grade levels within Ottawa ESD 141. Attendance zones can vary; confirm enrollment with the district.
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
48.9%
IL avg 51.0% . +3.3pp since 2023
Math
26.3%
IL avg 37.9% . +8.1pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 49 of every 100 students at this school read and write at grade level and about 26 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 3 points since 2023, while math scores are up about 8 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 48.9% | 26.3% |
| 2023-24 | 45.6% | 18.2% |
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
38.8%
composite math + reading, all grades
Predicted
39.0%
based on IL schools with similar FRL share
Beats by
-0.2pp
below demographic expectation
What this means: About 39% of students here test proficient in math and reading, compared with the roughly 39% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Central Intermediate School
Central Intermediate School's state test result (38.8% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Central Intermediate School this school | 339 | 56.3% | 38.8% |
| Shepherd Middle School Ottawa | 353 | 54.7% | 35.6% |
| Parkside Middle School Peru | 372 | 54.6% | 45.4% |
| Hoopeston Area Middle School Hoopeston | 248 | 55.2% | 23.2% |
| Sandwich Middle School Sandwich | 420 | 51.2% | 44.4% |
| Pontiac Jr High School Pontiac | 326 | 50.0% | 26.0% |
Matched among Illinois middle schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Central Intermediate School ranks
Among middle schools| Measure | This school | In Illinois | In LaSalle County |
|---|---|---|---|
| State test proficiency ranked highest first | 38.8% | #348 of 578 | #6 of 9 |
| Math proficiency ranked highest first | 26.3% | #404 of 640 ▲ 15 | #6 of 9 ▼ 2 |
| Reading proficiency ranked highest first | 48.9% | #425 of 640 ▼ 82 | #6 of 9 ▼ 4 |
| Enrollment ranked largest first | 339 | #419 of 691 | #5 of 9 |
| Students per teacher ranked fewest first | 12.3:1 | #214 of 558 | #4 of 7 |
| Diversity index ranked most diverse first | 43.5% | #306 of 560 | #6 of 7 |
| Free and reduced lunch ranked highest share first | 56.3% | #224 of 581 | #4 of 9 |
| Enrollment change since 2017-18 ranked steepest decline first | -20.0% | #101 of 440 | #1 of 7 |
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
339
-48 (-12%) vs 2020
-33% since 1990-91, when it was 504
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 339 | 27.5 | 12.3:1 | 56% (191) |
| 2023-24 | 325 | 28.6 | 11.4:1 | 57% (184) |
| 2022-23 | 343 | 30.8 | 11.1:1 | 52% (180) |
| 2020-21 | 387 | N/A | N/A | N/A |
| 2017-18 | 424 | 28.2 | 15.1:1 | 55% (234) |
| 2015-16 | 438 | 26 | 16.9:1 | 52% (226) |
| 2010-11 | 420 | 29 | 14.5:1 | 45% (187) |
| 2000-01 | 429 | 35 | 12.3:1 | N/A |
| 1990-91 | 504 | 36 | 14.0:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Central Intermediate School.
Since 2017-18: students down 20% (424 to 339); teachers down 2% (28.2 to 27.5).
About Central Intermediate School
Central Intermediate School is the name of a small middle school in Ottawa, Illinois. Students in grades 5 through 6 make up the school's enrollment of 339 students. By comparison, middle schools in Illinois enroll about 462 students on average.
Central Intermediate School is part of a district of 5 schools: Ottawa ESD 141, with 1,747 students.
More than half of enrollment at Central Intermediate School is White: 73%. Other groups make up 19% Hispanic, 4% multiracial, and 3% Black. LaSalle County as a whole is about 86% White, so the school's share is lower. On the diversity index, which measures the chance that two random students are from different groups, Central Intermediate School scores 43%.
The school had 27.5 full-time-equivalent teachers in 2024-25. Its student-to-teacher ratio is 12.3:1. That is in line with the 13.0:1 average for middle schools in Illinois. The school reported 56% of students eligible for free or reduced-price lunch in 2024-25.
Predicted from its free or reduced-price lunch share, Central Intermediate School would score about 39.0%. It scores 38.8%, within a point of that figure.
Looking at the county, LaSalle County, median household income comes to about $73,045, about 21% of adults have at least a bachelor's degree, and the poverty rate is about 11%. The county's public schools total 54, with about 14,523 students.
Shepherd Middle School is about 0.1 miles from Central Intermediate School, the shortest distance to any other public school. The five-mile area around Central Intermediate School holds 5 other public schools. The school's 38.8% average proficiency ranks 5th among 8 nearby schools.
By NCES locale, the school is Town: Distant, or in a town some distance from an urbanized area.
The school shrank from 387 students in 2020-21 to 339 in 2024-25.
The allk12 page for Central Intermediate School lets the school community talk about pickup and drop-off, after-school programs, and teacher feedback. Current and former families are welcome to add their experience.
LaSalle County at a glance
View full county profilePopulation
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
Related schools
Other schools in Ottawa ESD 141
- Lincoln Elementary SchoolElementary · 387 students
- McKinley Elementary SchoolElementary · 364 students
- Shepherd Middle SchoolMiddle · 353 students
- Jefferson Elementary SchoolElementary · 304 students
Other schools in Ottawa
- Ottawa Township High SchoolHigh · 1,223 students
- Wallace Elementary SchoolElementary · 420 students
- Lincoln Elementary SchoolElementary · 387 students
- McKinley Elementary SchoolElementary · 364 students
- Shepherd Middle SchoolMiddle · 353 students
- Jefferson Elementary SchoolElementary · 304 students
Other Central Intermediate schools
6 other US public schools in 4 states are named Central Intermediate. Central Intermediate School is the 6th largest of the 7.
- Central Intermediate SchoolWashington, IL · 649 students
- Central Intermediate SchoolRoxana, IL · 365 students
- Central Intermediate SchoolMonmouth, IL · 318 students
- Central Intermediate SchoolCentral, LA · 1,039 students
- Central Intermediate SchoolWadsworth, OH · 606 students
Nearby schools
- Shepherd Middle School0.1 mi · 353
- McKinley Elementary School0.6 mi · 364
- Ottawa Township High School1.7 mi · 1,223
- Lincoln Elementary School2.2 mi · 387
- Jefferson Elementary School2.5 mi · 304
- Grand Ridge School5.8 mi · 212
Frequently asked questions
About Central Intermediate SchoolWhat is the total enrollment at Central Intermediate School?
Central Intermediate School enrolls approximately 339 students in grades 05-06.
What grades does Central Intermediate School serve?
Central Intermediate School serves grades 05-06.
What is the student-teacher ratio at Central Intermediate School?
The student-to-teacher ratio at Central Intermediate School is approximately 12.3:1 (28 FTE teachers).
What is the racial breakdown of students at Central Intermediate School?
At Central Intermediate School, the student body is approximately 73% White, 19% Hispanic, 3% Black, 1% Asian, 4% Two or more.
What district is Central Intermediate School in?
Central Intermediate School is part of Ottawa ESD 141.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.