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EDITION 2026.08 /8,821 RECORDS / PUBLIC DOMAIN

PublicDataHubOfficial public data, made findable
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Public school / Primary

Southbury Elem School

Oswego, Illinois

NCES ID
173027006004
District
Cusd 308
School type
Regular
Title I
Not designated

Southbury Elem School is a public primary school in Oswego, Illinois, run by Cusd 308. It enrols 581 students — the 28521st 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

581students

28521st nationally, tied with 88

Teachers

42.0FTE

22284th nationally, tied with 1,134

Students per teacher

13.8students

35752nd nationally, tied with 984

Free or reduced-price lunch

21.0%percent

76396th nationally, tied with 56

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 Cusd 308

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. 1Oswego High School2,901 students
  2. 2Oswego East High School2,836 students
  3. 3Traughber Jr High School1,135 students
  4. 4Thompson Jr High School840 students
  5. 5Lakewood Creek Elementary762 students
  6. 6Murphy Junior High School713 students
  7. 7Long Beach Elem School674 students
  8. 8Grande Park Elem Sch637 students
Distance from the state median

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

  • Enrollment+43.8%
  • Teachers+61.5%
  • Students per teacher+0.7%
  • Free or reduced-price lunch−60.7%
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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.