Serving 1,867 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 21:1.
Minority enrollment is 41% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
Grades: 9-12
Enrollment: 1,867 students
Student:Teacher Ratio: 25:1
Minority Enrollment: 41%
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
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 0.61, 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.
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?
1,867 students attend Rio Americano High School.
What is the racial composition of the student body?
59% of Rio Americano High School students are White, 18% of students are Hispanic, 11% of students are Asian, 8% of students are Two or more races, 3% of students are Black, and 1% of students are American Indian.
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 21:1.
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?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 1,867 students
Student:Teacher Ratio: 25:1
Minority Enrollment: 41%
Graduation Rate
: 89% (Top 50%)
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
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