Serving 519 students in grades Kindergarten-8, Twin Rivers Charter ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 70% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 58% (which is higher than the California state average of 47%).
The student-teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 54% 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: Kindergarten-8
- Enrollment: 519 students
- Student-Teacher Ratio: 24:1
- Minority Enrollment: 54%
- Overall Testing Rank: Top 20% in CA
- Math Proficiency: 70% (Top 10%)
- Reading Proficiency: 58% (Top 30%)
- Science Proficiency: 35-39% (Top 30%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Twin Rivers Charter ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Diversity
School Overview
Twin Rivers Charter's student population of 519 students has grown by 9% over five school years.
The teacher population of 22 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades Kindergarten-8
Total Students
519 students
Total Classroom Teachers
22 teachers
School Rankings
Twin Rivers Charter ranks within the top 20% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Twin Rivers Charter is 0.68, which is more 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
#1475 out of 9523 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
70%
34%
Reading/Language Arts Test Scores (% Proficient)
58%
47%
Science Test Scores (% Proficient)
35-39%
29%
Student-Teacher Ratio
24:1
21:1
American Indian
1%
1%
Asian
11%
12%
Hispanic
30%
56%
Black
2%
5%
White
46%
20%
Hawaiian
n/a
n/a
Two or more races
10%
6%
All Ethnic Groups
Eligible for Free Lunch
30%
54%
Eligible for Reduced Lunch
9%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Twin Rivers Charter's ranking?
Twin Rivers Charter is ranked #1475 out of 9,523 schools, which ranks it among the top 20% of public schools in California.
What schools are Twin Rivers Charter often compared to?
Twin Rivers Charteris often viewed alongside schools like Yuba City Charter by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
70% of students have achieved math proficiency (compared to the 34% CA state average), while 58% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Twin Rivers Charter?
519 students attend Twin Rivers Charter.
What is the racial composition of the student body?
46% of Twin Rivers Charter students are White, 30% of students are Hispanic, 11% of students are Asian, 10% of students are Two or more races, 2% of students are Black, and 1% of students are American Indian.
What is the student-teacher ratio of Twin Rivers Charter?
Twin Rivers Charter has a student ration of 24:1, which is higher than the California state average of 21:1.
What grades does Twin Rivers Charter offer ?
Twin Rivers Charter offers enrollment in grades Kindergarten-8
What school district is Twin Rivers Charter part of?
Twin Rivers Charter is part of Twin Rivers Charter School District.
School Reviews
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