Serving 714 students in grades Kindergarten-12, Rio Valley 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 20% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 35% (which is lower than the California state average of 47%).
The student-teacher ratio of 22:1 is higher than the California state level of 21:1.
Minority enrollment is 63% 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-12
- Enrollment: 714 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 63%
- Graduation Rate: ≥95% (Top 20% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 20% (Btm 50%)
- Reading Proficiency: 35% (Btm 50%)
- Science Proficiency: 24% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Rio Valley Charter ranks among the top 20% of public schools in California for:
Category
Attribute
Graduation Rate
Diversity
School Overview
Rio Valley Charter's student population of 714 students has declined by 14% over five school years.
The teacher population of 32 teachers has declined by 5% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
Total Students
714 students
Total Classroom Teachers
32 teachers
Year Founded
2005
Average Class Size
15 students
School Rankings
Rio Valley 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 Rio Valley Charter is 0.71, 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
#6390 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
20%
34%
Reading/Language Arts Test Scores (% Proficient)
35%
47%
Science Test Scores (% Proficient)
24%
29%
Student-Teacher Ratio
22:1
21:1
American Indian
3%
1%
Asian
17%
12%
Hispanic
36%
56%
Black
4%
5%
White
37%
20%
Hawaiian
1%
n/a
Two or more races
2%
6%
All Ethnic Groups
Graduation Rate
≥95%
87%
Eligible for Free Lunch
52%
54%
Eligible for Reduced Lunch
14%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Rio Valley Charter's ranking?
Rio Valley Charter is ranked #6390 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Rio Valley Charter often compared to?
Rio Valley Charteris often viewed alongside schools like Vista Oaks Charter by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
20% of students have achieved math proficiency (compared to the 34% CA state average), while 35% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Rio Valley Charter?
The graduation rate of Rio Valley Charter is 95%, which is higher than the California state average of 87%.
How many students attend Rio Valley Charter?
714 students attend Rio Valley Charter.
What is the racial composition of the student body?
37% of Rio Valley Charter students are White, 36% of students are Hispanic, 17% of students are Asian, 4% of students are Black, 3% of students are American Indian, 2% of students are Two or more races, and 1% of students are Hawaiian.
What is the student-teacher ratio of Rio Valley Charter?
Rio Valley Charter has a student ration of 22:1, which is higher than the California state average of 21:1.
What grades does Rio Valley Charter offer ?
Rio Valley Charter offers enrollment in grades Kindergarten-12
What school district is Rio Valley Charter part of?
Rio Valley Charter is part of Rio Valley Charter School District.
School Reviews
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