Enrollment
359
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Oak Lawn, IL
Federal NCES profile for Columbus Manor Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
The verdict
Columbus Manor Elem School earns 34/100 on the Resource Investment Index, with class sizes smaller than 78% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
Columbus Manor Elem School has class sizes smaller than 78% 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.
NCES ID 173369003464 Verify on NCES CCD record →
Enrollment
359
Illinois · 2024-25 NCES data
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
11.5:1
vs 14:1 Illinois avg
-18% vs state
How Columbus Manor Elem School compares with Illinois and U.S. medians
Smaller classes than state median
11.5:1 - 2.5 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Columbus Manor Elem School is a mid-sized combined-grade school in Oak Lawn, Illinois, enrolling 359 students.
Class sizes run a bit leaner than typical: 11.5:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
With 359 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by White (47%) and Hispanic or Latino (42%), more mixed than most schools in the state (diversity index 60/100).
Chronic absenteeism is elevated: 33.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Oak Lawn's public schools, it stands alongside Harnew Elem School (512 students): Columbus Manor Elem School is smaller than that campus by headcount and runs heavier classes (11.5:1 vs 9.3:1).
Ridgeland Sd 122 also operates Simmons Middle School (725 students) and Harnew Elem School (512 students) alongside Columbus Manor Elem School.
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
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 | 11.5:1 | ▼ 18% | 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
Largest group: White at 46.8% of enrollment.
Simpson diversity index - at 60.2, Columbus Manor Elem School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Ridgeland Sd 122, which includes Columbus Manor Elem School.
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.
| 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 | Similar S:T ratio |
Comparisons are relative to Columbus Manor Elem School's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) serving the same city.
Next steps
Verify locally before acting on Columbus Manor Elem School's federal record.
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.
Columbus Manor Elem School has 359 students enrolled. It is a public school in Oak Lawn, IL.
The student-teacher ratio at Columbus Manor Elem School is 11.5:1, which is 18% lower than the Illinois average of 14:1 and 27% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
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.
Columbus Manor Elem School has a Resource Investment Index of 34/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
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.
Columbus Manor Elem School earns 34/100 on the Resource Investment Index, with class sizes smaller than 78% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools. 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.
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.