- Enrollment
- 387
- Students per teacher
- 12.9:1
- Resource Index
- 43/100
Elementary school (grades K-5) · Ottawa, IL
Central Intermediate School
Federal NCES profile for Central Intermediate School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataElementary school (grades K-5)NCES 173030003135
👥 S:T ratio 55
🌟 Gifted program 30
📋 Attendance 45
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Central Intermediate School earns 43/100 on the Resource Investment Index, with class sizes smaller than 79% of Illinois schools.
- #5 of 9
- public schools in Ottawa · Resource Index
- 43
- Resource Index · Typical
- 11.3:1
- small classes for Illinois
- 339
- students enrolled
Central Intermediate School has class sizes smaller than 79% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Central Intermediate School ranks #5 of 9 public schools in Ottawa, IL.
School address
District: Ottawa Esd 141 · Illinois
NCES ID 173030003135 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-18 students YoY
Central Intermediate School shrank from 343 students in 2022-23 to 325 in 2023-24 (-5.2%).
Teacher FTE lost 30.8 → 28.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-18 students YoY 173030003135 · Ottawa, IL Elementary · SMALL · TRAD
339 enr · 11.3:1 · RII 43
Nearest enrollment peer: Lincoln Elem School (387 students)
Central Intermediate School shrank from 343 students in 2022-23 to 325 in 2023-24 (-5.2%). Teacher FTE lost 30.8 → 28.6 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Central Intermediate School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lincoln Elem S
Lincoln Elem School
387 students
- Mckinley Elem
Mckinley Elem School
364 students
- Shepherd Middl
Shepherd Middle School
353 students
- This school
Central Intermediate School
339 students
- Jefferson Elem
Jefferson Elem School
304 students
What this shows Central Intermediate School reports 339 students on the CCD universe file.
How Central Intermediate School compares
Central Intermediate School is a shrinking campus on CCD: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.3:1 | ▼ 19% | 14:1 | 15.7:1 |
| Enrollment | 339 | top 56% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.3:1
Leaner classes than 81% of US schools, among the more generously staffed nationally.
339
Bigger than 38% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
11.3:1
students per teacher
- 19% below state mean
Top 21% in Illinois - lower ratio than 79% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
22.1%
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
$18,290
per pupil, district-wide
- above Illinois avg of $18,196
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
35
in-school suspensions + 6 out-of-school
Suspension rate: 10.3 per 100 students. Combined in-school and out-of-school rate: 12.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 72.6%
Hispanic or Latino 18.9%
Two or More 4.4%
African American 2.7%
Asian 1.5%
Largest group: White at 72.6% of enrollment.
Student-body diversity index 43.4/100
Simpson diversity index - at 43.4, Central Intermediate School is more mixed than the Illinois school average of 38.9.
Programs
District finance for Ottawa Esd 141 reports $18,290 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Central Intermediate School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lincoln Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Mckinley Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Shepherd Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| Jefferson Elem School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Central Intermediate School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 364
- Students per teacher
- 14.6:1
- Resource Index
- 44/100
- Enrollment
- 353
- Students per teacher
- 11.4:1
- Resource Index
- 47/100
- Enrollment
- 304
- Students per teacher
- 13.2:1
- Resource Index
- 41/100
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~339 students)
Frequently asked questions about Central Intermediate School
How many students attend Central Intermediate School?
Central Intermediate School has 339 students enrolled. It is an elementary school in Ottawa, IL. CCD year-over-year: 343 (2022-23) → 325 (2023-24), down 18.
What is the student-teacher ratio at Central Intermediate School?
The student-teacher ratio at Central Intermediate School is 11.3:1, which is 19% lower than the Illinois average of 14:1 and 28% 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 Central Intermediate School?
The largest demographic group at Central Intermediate School is White at 72.6% of enrollment, in Ottawa, IL.
What is the Resource Investment Index for Central Intermediate School?
Central Intermediate School has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Central Intermediate School rank among public schools in Ottawa?
By Resource Investment Index, Central Intermediate School ranks #5 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.
What other schools are in Ottawa Esd 141?
Besides Central Intermediate School, Ottawa Esd 141 also operates Lincoln Elem School (387 students), Mckinley Elem School (364 students), and Shepherd Middle School (353 students). See the Ottawa Esd 141 district page for the complete list.