Serving 470 students in grades Kindergarten-12, Butterfield Charter ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤5% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 15-19% (which is lower than the California state average of 47%).
The student-teacher ratio of 25:1 is higher than the California state level of 21:1.
Minority enrollment is 83% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2025-26)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 470 students
- Student-Teacher Ratio: 25:1
- Minority Enrollment: 83%
- Graduation Rate: 57% (Btm 50% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 15-19% (Btm 50%)
- Science Proficiency: ≤10% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Butterfield Charter ranks among the top 20% of public schools in California for:
Category
Attribute
Percent Eligible For Free Lunch
School Overview
Butterfield Charter's student population of 470 students has grown by 51% over five school years.
The teacher population of 19 teachers has grown by 171% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
Total Students
470 students
Gender %
Total Classroom Teachers
19 teachers
School Calendar
Last Day of School
Mon. May 25, 2026
School Rankings
Butterfield Charter ranks within the bottom 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Butterfield Charter is 0.38, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#9251 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
34%
Reading/Language Arts Test Scores (% Proficient)
15-19%
47%
Science Test Scores (% Proficient)
≤10%
29%
Student-Teacher Ratio
25:1
21:1
American Indian
2%
1%
Asian
2%
12%
Hispanic
77%
56%
Black
n/a
5%
White
17%
20%
Hawaiian
n/a
n/a
Two or more races
2%
6%
All Ethnic Groups
Graduation Rate
57%
87%
Eligible for Free Lunch
72%
54%
Eligible for Reduced Lunch
4%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Butterfield Charter's ranking?
Butterfield Charter is ranked #9251 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
≤5% of students have achieved math proficiency (compared to the 34% CA state average), while 15-19% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Butterfield Charter?
The graduation rate of Butterfield Charter is 57%, which is lower than the California state average of 87%.
How many students attend Butterfield Charter?
470 students attend Butterfield Charter.
What is the racial composition of the student body?
77% of Butterfield Charter students are Hispanic, 17% of students are White, 2% of students are American Indian, 2% of students are Asian, and 2% of students are Two or more races.
What is the student-teacher ratio of Butterfield Charter?
Butterfield Charter has a student ration of 25:1, which is higher than the California state average of 21:1.
What grades does Butterfield Charter offer ?
Butterfield Charter offers enrollment in grades Kindergarten-12
What school district is Butterfield Charter part of?
Butterfield Charter is part of Porterville Unified School District.
School Reviews
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