- Enrollment
- 725
- Students per teacher
- 14.2:1
- Resource Index
- 35/100
Other / mixed grade configuration · Oak Lawn, IL
Columbus Manor Elem School
Federal NCES profile for Columbus Manor Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataOther / mixed grade configurationNCES 173369003464
👥 S:T ratio 54
🌟 Gifted program 30
📋 Attendance 17
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Columbus Manor Elem School earns 33/100 on the Resource Investment Index, with class sizes smaller than 76% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #5 of 7
- schools in Oak Lawn · Resource Index
- 33
- Resource Index · Typical
- 11.6:1
- small classes for Illinois
- 359
- students enrolled
Columbus Manor Elem School has class sizes smaller than 76% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Columbus Manor Elem School ranks #5 of 7 schools in Oak Lawn, IL.
School address
District: Ridgeland Sd 122 · Illinois
NCES ID 173369003464 Verify on NCES CCD record →
NCES CCD universe card
School universe 173369003464 · Oak Lawn, IL Other · SMALL · TRAD
359 enr · 11.6:1 · RII 33
Nearest enrollment peer: Simmons Middle School (725 students)
Resource Investment Index #5 of 7 schools in Oak Lawn. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Columbus Manor Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Simmons Middle
Simmons Middle School
725 students
- Harnew Elem Sc
Harnew Elem School
512 students
- Ernest F Kolb
Ernest F Kolb Elem School
399 students
- George W Lieb
George W Lieb Elem School
399 students
- This school
Columbus Manor Elem School
359 students
What this shows Columbus Manor Elem School reports 359 students on the CCD universe file.
How Columbus Manor Elem School compares
Columbus Manor Elem 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 | 11.6:1 | ▼ 17% | 14:1 | 15.7:1 |
| Enrollment | 359 | top 52% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.6:1
Leaner classes than 79% of US schools, among the more generously staffed nationally.
359
Bigger than 41% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
11.6:1
students per teacher
- 17% below state mean
Top 24% in Illinois - lower ratio than 76% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
33.4%
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
$17,422
per pupil, district-wide
- below 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
24
in-school suspensions + 11 out-of-school
Suspension rate: 6.7 per 100 students. Combined in-school and out-of-school rate: 9.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 46.8%
Hispanic or Latino 41.8%
African American 4.7%
Two or More 3.6%
Asian 2.8%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 46.8% of enrollment.
Student-body diversity index 60.2/100
Simpson diversity index - at 60.2, Columbus Manor Elem School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Ridgeland Sd 122, which includes Columbus Manor Elem School.
$17,422
Per student
-4%
vs Illinois
Avg $18,196
-1%
vs U.S.
Avg $17,658
Revenue mix
Local 49.1%
State 37.6%
Federal 13.3%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Columbus Manor Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Simmons Middle School | Larger | No free-lunch data | Higher S:T ratio |
| Harnew Elem School | Larger | No free-lunch data | Lower S:T ratio |
| Ernest F Kolb Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| George W Lieb Elem School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Columbus Manor Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 512
- Students per teacher
- 9.7:1
- Resource Index
- 36/100
- Enrollment
- 399
- Students per teacher
- 16:1
- Resource Index
- 30/100
- Enrollment
- 399
- Students per teacher
- 13.3:1
- Resource Index
- 32/100
Similar other schools in Oak Lawn
6 comparable other schools (grades Mixed) serving the same city.
Harnew Elem School
Standard public school
512 students 9.7:1 students per teacher
J Covington Elem School
Standard public school
470 students 14.2:1 students per teacher
Sward Elem School
Standard public school
457 students 16.3:1 students per teacher
Ernest F Kolb Elem School
Standard public school
399 students 16:1 students per teacher
Kolmar Avenue Elem School
Standard public school
391 students 11.2:1 students per teacher
Lawn Manor School
Standard public school
210 students 10.5:1 students per teacher
Nationwide other 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 (~359 students)
Frequently asked questions about Columbus Manor Elem School
How many students attend Columbus Manor Elem School?
Columbus Manor Elem School has 359 students enrolled. It is a public school in Oak Lawn, IL.
What is the student-teacher ratio at Columbus Manor Elem School?
The student-teacher ratio at Columbus Manor Elem School is 11.6:1, which is 17% lower than the Illinois average of 14:1 and 26% 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 Columbus Manor Elem School?
The largest demographic group at Columbus Manor Elem School is White at 46.8% of enrollment, in Oak Lawn, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.2/100.
What is the Resource Investment Index for Columbus Manor Elem School?
Columbus Manor Elem School has a Resource Investment Index of 33/100 (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 Columbus Manor Elem School rank among schools in Oak Lawn?
By Resource Investment Index, Columbus Manor Elem School ranks #5 of 7 schools in Oak Lawn, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Oak Lawn on the city page.
What other schools are in Ridgeland Sd 122?
Besides Columbus Manor Elem School, Ridgeland Sd 122 also operates Simmons Middle School (725 students), Harnew Elem School (512 students), and Ernest F Kolb Elem School (399 students). See the Ridgeland Sd 122 district page for the complete list.
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, the data changelog, or report a data error. Data current as of August 2026.