Enrollment
399
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Oak Lawn, IL
Ernest F Kolb Elem School
Federal NCES profile for Ernest F Kolb Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataOther / mixed grade configurationNCES 173369003465
👥 S:T ratio 43
🌟 Gifted program 30
📋 Attendance 23
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ernest F Kolb Elem School earns 32/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
- #6 of 7
- schools in Oak Lawn · Resource Index
- 32
- Resource Index · Typical
- 14.2:1
- students per teacher
- 399
- students enrolled
Ernest F Kolb Elem School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Ernest F Kolb Elem School ranks #6 of 7 schools in Oak Lawn, IL.
School address
District: Ridgeland Sd 122 · Illinois
NCES ID 173369003465 Verify on NCES CCD record →
Teachers (FTE)
25.0
Federal CCD staff survey
Students per teacher
14.2:1
vs 14:1 Illinois avg
+1% vs state
Student-teacher ratio in context
How Ernest F Kolb Elem School compares with Illinois and U.S. medians
What stands out at Ernest F Kolb Elem School
Ernest F Kolb Elem School is a mid-sized combined-grade school in Oak Lawn, Illinois, enrolling 399 students.
At 14.2:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
With 399 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 (55%) and Hispanic or Latino (26%), more mixed than most schools in the state (diversity index 62/100).
Chronic absenteeism is elevated: 30.6% 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): Ernest F Kolb Elem School is smaller than that campus by headcount and runs heavier classes (14.2:1 vs 9.3:1).
Ridgeland Sd 122 also operates Simmons Middle School (725 students) and Harnew Elem School (512 students) alongside Ernest F Kolb 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
How Ernest F Kolb Elem School compares
Ernest F Kolb 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 | 14.2:1 | ▲ 1% | 14:1 | 15.7:1 |
| Enrollment | 399 | top 45% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.2:1
Leaner classes than 57% of US schools, a middle-of-the-pack class size.
399
Bigger than 47% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
14.2:1
students per teacher
- 1% above state mean
Top 59% in Illinois - lower ratio than 41% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
30.6%
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
$16,865
per pupil, district-wide
- below Illinois avg of $17,042
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
12
in-school suspensions + 28 out-of-school
Suspension rate: 3.0 per 100 students. Combined in-school and out-of-school rate: 10.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 399 Top 45% in Illinois - larger than 55% of 3,845 state schools
Teachers (FTE) 25.0
Students per teacher 14.2:1 +1% vs state
Free-lunch eligible -
NCES ID 173369003465
Student demographics
White 55.1%
Hispanic or Latino 26.1%
African American 6.8%
Asian 5.8%
Two or More 5.5%
American Indian / Alaska Native 0.8%
Largest group: White at 55.1% of enrollment.
Student-body diversity index 61.7/100
Simpson diversity index - at 61.7, Ernest F Kolb Elem School is more mixed than the Illinois school average of 38.9.
Programs & staff
Counselors (FTE) 0.0
Discipline & special education
Chronically absent 30.6%
In-school suspensions 12
Out-of-school suspensions 28
Funding & spending
District-wide per-pupil expenditure for Ridgeland Sd 122, which includes Ernest F Kolb Elem School.
$16,865
Per student
-1%
vs Illinois
Avg $17,042
+2%
vs U.S.
Avg $16,593
Revenue mix
Local 49.1%
State 37.6%
Federal 13.3%
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.
How Ernest F Kolb Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Simmons Middle School | Larger | No free-lunch data | Similar S:T ratio |
| Harnew Elem School | Larger | No free-lunch data | Lower S:T ratio |
| George W Lieb Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| Columbus Manor Elem School | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Ernest F Kolb Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 725
- Students per teacher
- 14.7:1
- Resource Index
- 34/100
- Enrollment
- 512
- Students per teacher
- 9.3:1
- Resource Index
- 36/100
- Enrollment
- 399
- Students per teacher
- 12.8:1
- Resource Index
- 32/100
- Enrollment
- 359
- Students per teacher
- 11.5:1
- Resource Index
- 34/100
Similar other schools in Oak Lawn
6 comparable other schools (grades Mixed) serving the same city.
Harnew Elem School
Standard public school
512 students 9.3:1 students per teacher
J Covington Elem School
Standard public school
470 students 14.8:1 students per teacher
Sward Elem School
Standard public school
457 students 20:1 students per teacher
Kolmar Avenue Elem School
Standard public school
391 students 12.2:1 students per teacher
Columbus Manor Elem School
Standard public school
359 students 11.5:1 students per teacher
Lawn Manor School
Standard public school
210 students 11.1:1 students per teacher
Next steps
Verify locally before acting on Ernest F Kolb Elem School's federal record.
- Compare Ernest F Kolb Elem School against another school. Compare schools
- Ridgeland Sd 122's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Ernest F Kolb Elem School
How many students attend Ernest F Kolb Elem School?
Ernest F Kolb Elem School has 399 students enrolled. It is a public school in Oak Lawn, IL.
What is the student-teacher ratio at Ernest F Kolb Elem School?
The student-teacher ratio at Ernest F Kolb Elem School is 14.2:1, which is 1% higher than the Illinois average of 14:1 and 10% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Ernest F Kolb Elem School?
The largest demographic group at Ernest F Kolb Elem School is White at 55.1% of enrollment, in Oak Lawn, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.7/100.
What is the Resource Investment Index for Ernest F Kolb Elem School?
Ernest F Kolb Elem School has a Resource Investment Index of 32/100 (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).
How does Ernest F Kolb Elem School rank among schools in Oak Lawn?
By Resource Investment Index, Ernest F Kolb Elem School ranks #6 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.
Is Ernest F Kolb Elem School a good school?
Ernest F Kolb Elem School earns 32/100 on the Resource Investment Index, with class sizes near the Illinois median. 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.
What other schools are in Ridgeland Sd 122?
Besides Ernest F Kolb Elem School, Ridgeland Sd 122 also operates Simmons Middle School (725 students), Harnew Elem School (512 students), and George W Lieb Elem School (399 students). See the Ridgeland Sd 122 district page for the complete list.