Serving 255 students in grades Kindergarten-5, Rios Elementary School 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 20-24% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 25-29% (which is lower than the California state average of 47%).
The student-teacher ratio of 21:1 is equal to the California state level of 21:1.
Minority enrollment is 61% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 255 students
- Student-Teacher Ratio: 21:1
- Minority Enrollment: 61%
- Overall Testing Rank: Bottom 50% in CA
- Math Proficiency: 20-24% (Btm 50%)
- Reading Proficiency: 25-29% (Btm 50%)
- Science Proficiency: 11-19% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Rios Elementary School's student population of 255 students has declined by 6% over five school years.
The teacher population of 12 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
255 students
Total Classroom Teachers
12 teachers
School Rankings
Rios Elementary School 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 Rios Elementary School is 0.66, 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
#6795 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
20-24%
34%
Reading/Language Arts Test Scores (% Proficient)
25-29%
47%
Science Test Scores (% Proficient)
11-19%
29%
Student-Teacher Ratio
21:1
21:1
American Indian
n/a
1%
Asian
3%
12%
Hispanic
43%
56%
Black
6%
5%
White
39%
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
17%
8%
School Statewide Testing
School District Name
Cajon Valley Union School District
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Rios Elementary School's ranking?
Rios Elementary School is ranked #6795 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Rios Elementary School often compared to?
Rios Elementary Schoolis often viewed alongside schools like Crest Elementary School, Blossom Valley Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
20-24% of students have achieved math proficiency (compared to the 34% CA state average), while 25-29% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Rios Elementary School?
255 students attend Rios Elementary School.
What is the racial composition of the student body?
43% of Rios Elementary School students are Hispanic, 39% of students are White, 9% of students are Two or more races, 6% of students are Black, and 3% of students are Asian.
What is the student-teacher ratio of Rios Elementary School?
Rios Elementary School has a student ration of 21:1, which is equal to the California state average of 21:1.
What grades does Rios Elementary School offer ?
Rios Elementary School offers enrollment in grades Kindergarten-5
What school district is Rios Elementary School part of?
Rios Elementary School is part of Cajon Valley Union School District.
School Reviews
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