Enrollment
535
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Midlothian, IL
Kolmar Elem School
Federal NCES profile for Kolmar Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataElementary school (grades K-5)NCES 172592002786
👥 S:T ratio 54
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Kolmar Elem School earns 28/100 on the Resource Investment Index, even as it posts class sizes smaller than 76% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #1 of 3
- elementary schools in Midlothian · Resource Index
- 28
- Resource Index · Lower
- 11.6:1
- small classes for Illinois
- 535
- students enrolled
Kolmar Elem School has class sizes smaller than 76% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Kolmar Elem School ranks #1 of 3 elementary schools in Midlothian, IL.
School address
District: Midlothian Sd 143 · Illinois
NCES ID 172592002786 Verify on NCES CCD record →
Teachers (FTE)
46.0
Federal CCD staff survey
Students per teacher
11.6:1
vs 14:1 Illinois avg
-17% vs state
Student-teacher ratio in context
How Kolmar Elem School compares with Illinois and U.S. medians
What stands out at Kolmar Elem School
Kolmar Elem School is a mid-sized elementary school in Midlothian, Illinois, enrolling 535 students.
Class sizes run a bit leaner than typical: 11.6:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 535 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by Hispanic or Latino (52%) and White (21%), more mixed than most schools in the state (diversity index 65/100).
Chronic absenteeism is elevated: 42.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Midlothian's elementary schools, it stands alongside Central Park Elem School (640 students): Kolmar Elem School is smaller than that campus by headcount and runs leaner classes (11.6:1 vs 13.9:1).
Midlothian Sd 143 also operates Central Park Elem School (640 students) and Springfield Elem School (311 students) alongside Kolmar 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 Kolmar Elem School compares
Kolmar 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 | 535 | top 26% | - | - |
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.
535
Bigger than 66% 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
42.6%
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
$16,294
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
0
in-school suspensions + 9 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.7 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 51.8%
White 20.6%
African American 19.4%
Two or More 3.7%
American Indian / Alaska Native 2.8%
Native Hawaiian / Pacific Islander 0.9%
Asian 0.7%
Largest group: Hispanic or Latino at 51.8% of enrollment.
Student-body diversity index 64.9/100
Simpson diversity index - at 64.9, Kolmar Elem School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Midlothian Sd 143, which includes Kolmar Elem School.
$16,294
Per student
-4%
vs Illinois
Avg $17,042
-2%
vs U.S.
Avg $16,593
Revenue mix
Local 28.1%
State 58.3%
Federal 13.6%
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 Kolmar Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Central Park Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Springfield Elem School | Smaller | No free-lunch data | Similar S:T ratio |
| Spaulding School | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Kolmar Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 640
- Students per teacher
- 13.9:1
- Resource Index
- 25/100
- Enrollment
- 311
- Students per teacher
- 11.5:1
- Resource Index
- 28/100
- Enrollment
- 134
- Students per teacher
- 33.5:1
- Resource Index
- 15/100
Similar elementary schools in Midlothian
2 comparable elementary schools (grades K-5) serving the same city.
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~535 students)
Next steps
Verify locally before acting on Kolmar Elem School's federal record.
- Compare Kolmar Elem School against another school. Compare schools
- Midlothian Sd 143'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 Kolmar Elem School
How many students attend Kolmar Elem School?
Kolmar Elem School has 535 students enrolled. It is an elementary school in Midlothian, IL.
What is the student-teacher ratio at Kolmar Elem School?
The student-teacher ratio at Kolmar 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 Kolmar Elem School?
The largest demographic group at Kolmar Elem School is Hispanic or Latino at 51.8% of enrollment, in Midlothian, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.9/100.
What is the Resource Investment Index for Kolmar Elem School?
Kolmar Elem School has a Resource Investment Index of 28/100 (lower 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 Kolmar Elem School rank among elementary schools in Midlothian?
By Resource Investment Index, Kolmar Elem School ranks #1 of 3 elementary schools in Midlothian, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Midlothian on the city page.
Is Kolmar Elem School a good school?
Kolmar Elem School earns 28/100 on the Resource Investment Index, even as it posts class sizes smaller than 76% 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.
What other schools are in Midlothian Sd 143?
Besides Kolmar Elem School, Midlothian Sd 143 also operates Central Park Elem School (640 students), Springfield Elem School (311 students), and Spaulding School (134 students). See the Midlothian Sd 143 district page for the complete list.
Related tools
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, or report a data error. Data current as of June 2026.