Serving 81 students in grades 1-8, Three Rivers Charter ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 30-34% (which is approximately equal to the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is higher than the California state average of 47%).
The student-teacher ratio of 20:1 is lower than the California state level of 21:1.
Minority enrollment is 33% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: 1-8
- Enrollment: 81 students
- Student-Teacher Ratio: 20:1
- Minority Enrollment: 33%
- Overall Testing Rank: Top 50% in CA
- Math Proficiency: 30-34% (Top 50%)
- Reading Proficiency: 50-54% (Top 50%)
- Science Proficiency: 40-59% (Top 20%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Three Rivers Charter ranks among the top 20% of public schools in California for:
Category
Attribute
Science Proficiency
Community Size
School Overview
Three Rivers Charter's student population of 81 students has stayed relatively flat over five school years.
The teacher population of 4 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 1-8
Total Students
81 students
Total Classroom Teachers
4 teachers
Year Founded
1905
Campus Size
50 acres
School Motto
'Truth and Honor'
Average Class Size
15 students
School Rankings
Three Rivers Charter ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Three Rivers Charter is 0.50, 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
#3451 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
30-34%
34%
Reading/Language Arts Test Scores (% Proficient)
50-54%
47%
Science Test Scores (% Proficient)
40-59%
29%
Student-Teacher Ratio
20:1
21:1
American Indian
n/a
1%
Asian
2%
12%
Hispanic
22%
56%
Black
n/a
5%
White
67%
20%
Hawaiian
n/a
n/a
Two or more races
9%
6%
All Ethnic Groups
Eligible for Free Lunch
59%
54%
Eligible for Reduced Lunch
5%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Wild Boars
Frequently Asked Questions
What is Three Rivers Charter's ranking?
Three Rivers Charter is ranked #3451 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 34% CA state average), while 50-54% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Three Rivers Charter?
81 students attend Three Rivers Charter.
What is the racial composition of the student body?
67% of Three Rivers Charter students are White, 22% of students are Hispanic, 9% of students are Two or more races, and 2% of students are Asian.
What is the student-teacher ratio of Three Rivers Charter?
Three Rivers Charter has a student ration of 20:1, which is lower than the California state average of 21:1.
What grades does Three Rivers Charter offer ?
Three Rivers Charter offers enrollment in grades 1-8
What school district is Three Rivers Charter part of?
Three Rivers Charter is part of Three Rivers Charter School District.
School Reviews
Review Three Rivers Charter. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
