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EDITION 2026.08 /8,821 RECORDS / PUBLIC DOMAIN

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Public school / Other / Charter

Butterfield Charter

Porterville, California

NCES ID
060006412042
School type
Regular
Title I
Not designated

Butterfield Charter is a public other school in Porterville, California, run by Porterville Unified. It enrols 384 students — the 53378th largest of 10,418 public schools in California.

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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

384students

53378th nationally, tied with 147

Teachers

15.0FTE

75519th nationally, tied with 1,812

Students per teacher

25.6students

90425th nationally, tied with 119

Free or reduced-price lunch

86.5%percent

16649th 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 Porterville Unified

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. 1Porterville High2,178 students
  2. 2Monache High2,049 students
  3. 3Granite Hills High1,242 students
  4. 4Santa Fe Elementary822 students
  5. 5Pioneer Middle736 students
  6. 6Westfield Elementary710 students
  7. 7Olive Street Elementary642 students
  8. 8Vandalia Elementary577 students
Distance from the state median

Baseline: California median across 10,418 public schools. Bars right of the rule are above it.

  • Enrollment−19.0%
  • Teachers−28.6%
  • Students per teacher+15.8%
  • Free or reduced-price lunch+27.4%
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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.