Serving 1,884 students in grades 9-12, Rio Americano High School 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 36% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 59% (which is higher than the California state average of 47%).
The student:teacher ratio of 25:1 is higher than the California state level of 22:1.
Minority enrollment is 40% of the student body (majority Hispanic), which is lower than the California state average of 79% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 1,884 students
- Student:Teacher Ratio: 25:1
- Minority Enrollment: 40%
- Graduation Rate: 89% (Top 50% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 36% (Top 50%)
- Reading Proficiency: 59% (Top 30%)
- Science Proficiency: 36% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Rio Americano High School's student population of 1,884 students has stayed relatively flat over five school years.
The teacher population of 76 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
1,884 students
Gender %
Total Classroom Teachers
76 teachers
Students by Grade
School Rankings
Rio Americano High School ranks within the top 50% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Rio Americano High School is 0.59, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3009 out of 9602 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
36%
33%
Reading/Language Arts Test Scores (% Proficient)
59%
47%
Science Test Scores (% Proficient)
36%
29%
Student : Teacher Ratio
25:1
22:1
American Indian
n/a
1%
Asian
10%
12%
Hispanic
19%
55%
Black
4%
5%
White
60%
21%
Hawaiian
n/a
n/a
Two or more races
7%
6%
All Ethnic Groups
Graduation Rate
89%
87%
Eligible for Free Lunch
27%
51%
Eligible for Reduced Lunch
1%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Rio Americano High School's ranking?
Rio Americano High School is ranked #3009 out of 9,602 schools, which ranks it among the top 50% of public schools in California.
What schools are Rio Americano High School often compared to?
Rio Americano High Schoolis often viewed alongside schools like Mira Loma High School, El Camino Fundamental High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
36% of students have achieved math proficiency (compared to the 33% CA state average), while 59% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Rio Americano High School?
The graduation rate of Rio Americano High School is 89%, which is higher than the California state average of 87%.
How many students attend Rio Americano High School?
1,884 students attend Rio Americano High School.
What is the racial composition of the student body?
60% of Rio Americano High School students are White, 19% of students are Hispanic, 10% of students are Asian, 7% of students are Two or more races, and 4% of students are Black.
What is the student:teacher ratio of Rio Americano High School?
Rio Americano High School has a student ration of 25:1, which is higher than the California state average of 22:1.
What grades does Rio Americano High School offer ?
Rio Americano High School offers enrollment in grades 9-12
What school district is Rio Americano High School part of?
Rio Americano High School is part of San Juan Unified School District.
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