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EDITION 2026.08 /8,821 RECORDS / PUBLIC DOMAIN

PublicDataHubOfficial public data, made findable
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Public school / Primary

Addison Elementary

Hartford, Wisconsin

NCES ID
551395002540
District
Slinger School District
School type
Regular
Title I
Not designated

Addison Elementary is a public primary school in Hartford, Wisconsin, run by Slinger School District. It enrols 454 students — the 43293rd largest of 2,264 public schools in Wisconsin.

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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

454students

43293rd nationally, tied with 156

Teachers

26.0FTE

50791st nationally, tied with 2,332

Students per teacher

17.5students

67551st nationally, tied with 626

Free or reduced-price lunch

16.1%percent

79549th nationally, tied with 63

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 Slinger School District

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. 1Slinger High1,054 students
  2. 2Slinger Middle771 students
  3. 3Slinger Elementary624 students
  4. 4Addison Elementary454 students
  5. 5Allenton Elementary447 students
Distance from the state median

Baseline: Wisconsin median across 2,264 public schools. Bars right of the rule are above it.

  • Enrollment+33.5%
  • Teachers+13.0%
  • Students per teacher+28.7%
  • Free or reduced-price lunch−60.0%
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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.