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D−

Butterfield Charter

PublicOtherGrades K–12Charter

900 West Pioneer Ave., Porterville, CA 93257 · (559) 782-7057

Porterville’s School Grade B− better than 46% of California school districts

Directions
Students
504
Students per teacher
21:1
Free or reduced lunch
94%
Setting
Suburb
Grades
K–12
The gist

What stands out about Butterfield Charter

  • Its own letter, D−: reading and math results near the bottom of California’s public schools
  • Math proficiency 31 pts below the state
  • Reading / language arts 32 pts below the state
  • Larger classes: 21 students per teacher
  • Enrollment up 60.5% since 2020–21

Test scores

2020–21
Math proficiency2%
State average 33.6%
Reading / language arts17%
State average 48.6%

Its own letter, D−, places these results among California’s 3,615 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

900 West Pioneer Ave., Porterville

Students

Enrollment by grade
Grade 11
Grade 21
Grade 31
Grade 41
Grade 51
Grade 62
Grade 72
Grade 810
Grade 926
Grade 1066
Grade 11140
Grade 12253
Enrollment over time
314’20
284’21
384’22
470’23
504’24

Up 60.5% since 2020–21.

Who goes here
Hispanic 76%White 16%American Indian/Alaska Native 4%Two or more races 2%Asian <1%Native Hawaiian/Pacific Islander <1%Black <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Butterfield Charter from Porterville families.

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against California’s other public schools; Porterville’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.