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EDITION 2026.08 /8,821 RECORDS / PUBLIC DOMAIN

PublicDataHubOfficial public data, made findable
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Public school / Middle

Kellar School

Robbins, Illinois

NCES ID
173237001286
District
Posen-Robbins ESD 143-5
School type
Regular
Title I
Not designated

Kellar School is a public middle school in Robbins, Illinois, run by Posen-Robbins ESD 143-5. It enrols 402 students — the 50590th largest of 4,435 public schools in Illinois.

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Reported figures, 2022–2023

The Common Core of Data is a directory collection: it records size and staffing, not achievement. Nothing here says whether a school is good.

Enrollment

402students

50590th nationally, tied with 152

Teachers

26.0FTE

50791st nationally, tied with 2,332

Students per teacher

15.5students

52263rd nationally, tied with 873

Free or reduced-price lunch

85.3%percent

17604th nationally, tied with 73

How these figures are defined

Enrollment

Students reported in the autumn headcount. Size is not quality — it is here because it is the figure every other one has to be read against, and because a school of 90 and a school of 4,000 are not comparable on anything else.

Teachers

Classroom teachers in full-time equivalents, so a half-time teacher counts as 0.5. Non-teaching staff are excluded.

Students per teacher

Enrollment divided by teacher FTE. It is not class size: it counts every teacher against every student, including specialists who never take a full class. A school can have 15 students per teacher and 30 in the room.

Free or reduced-price lunch

Share of students eligible for free or reduced-price meals — the most widely used proxy for concentrated poverty in a school. Districts under community eligibility report all students as eligible, which inflates the figure and makes cross-district comparison unreliable.

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Within Posen-Robbins ESD 143-5

Schools in the same district, which is the comparison the data actually supports — a peer group defined by who runs them rather than by whichever names sort nearby.

Enrollment — same district
  1. 1Kellar School402 students
  2. 2Gordon School287 students
  3. 3Posen Elem School267 students
  4. 4Childs Elem School146 students
  5. 5Turner Elem School140 students
Distance from the state median

Baseline: Illinois median across 4,435 public schools. Bars right of the rule are above it.

  • Enrollment−0.5%
  • Teachers0.0%
  • Students per teacher+13.1%
  • Free or reduced-price lunch+59.7%
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Where this sits

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Sources & licence

Collected by the National Center for Education Statistics. Nothing here is edited, interpolated or estimated.

Provenance

National Center for Education Statistics
Common Core of Data — school and district directory
Current · as of August 17, 2026U.S. Public Domain (NCES)

Collected and published by NCES; retrieved through the Urban Institute Education Data Portal, which republishes the NCES files unchanged.

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Data as of September 1, 2022.