SchoolRow
#3145

Rios Elementary

El Cajon, CA · Cajon Valley Union · Grades K-5

3,145th of 5,659 California elementary schools statewide · better than 44% Declining

261
Students
2023–24 enrollment
23.7:1
Student / teacher ratio
76%
Free / reduced-price lunch
low-income indicator
31.7%
Chronically absent
CA average 20%

Rios Elementary ranking

SchoolRow ranks Rios Elementary 3,145th of 5,659 California elementary schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 44% of elementary schools statewide. Its statewide percentile went from 51th in 2015 to 44th in 2025 — declining.

Statewide percentile by year
25%50%75%44%201520202025no testing 2020–21

Rios Elementary test scores

Percent meeting or exceeding the state standard, CAASPP 2024–25 · 109 students tested

English Language Arts
This school
38%
CA average
49%
Math
This school
36%
CA average
37%
Science
This school
24%
CA average
33%
English Language Arts over time this school CA average
25%50%75%38%49%201520202025no testing 2020–21
Math over time this school CA average
25%50%75%36%37%201520202025no testing 2020–21

Rios Elementary students

Racial and ethnic breakdown of 261 students (202324, NCES) — and how it has shifted since 2013

Hispanic47%White40%5%
Hover the pie for details
Hispanic 47%White 40%36%50%20132023
GroupTrend20132023Change
Hispanic36.5%46.7% 10.2 pts
White49.6%39.8% 9.8 pts
Two or more races5.2%5.0% 0.2 pts
Black4.4%4.6% 0.2 pts
Asian3.6%3.4% 0.2 pts

Homes near Rios Elementary

Typical home value $768K in zip 92021 as of 2026-05 · trend since 2000

$209K$418K$628K$837K$782K200020052010201520202025

Data Provided by Zillow Group

See recently sold homes in 92021 on Zillow →

Elementary schools near Rios Elementary

Closest same-level schools, with 2024–25 state rank

View on the map →

Frequently asked questions

What school district is Rios Elementary in?

Rios Elementary is part of the Cajon Valley Union district in El Cajon, California.

Is Rios Elementary a good school?

SchoolRow ranks Rios Elementary 3,145th of 5,659 California elementary schools (better than 44% statewide) based on 2024–25 test results (CAASPP 2024–25).

What is the racial makeup of Rios Elementary?

Hispanic 47%, White 40%, Two or more races 5%, Black 5% (261 students, 2023–24).

How much do homes near Rios Elementary cost?

The typical home value in zip code 92021 is $768K as of 2026-05 (Zillow ZHVI).

Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.