Enrollment
255
Elementary
DISTRICT 569 · STATE 465
SCHOOL COMMUNITY·CAJON VALLEY UNION·NCES 060681000624
Rios Elementary
14314 Rios Canyon Rd., El Cajon, CA 92021 · (619) 588-3090 · San Diego County
GRADES KG–05ELEMENTARY41-RURALTITLE IREGULAR SCHOOL255 STUDENTS
Student : Teacher
21.3:1
12 FTE teachers
DISTRICT 23.5:1 · STATE 22.3:1
Free / Reduced Lunch
76%
194 students
DISTRICT 82% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 63 | 25% |
| Grade 1 | 38 | 15% |
| Grade 2 | 43 | 17% |
| Grade 3 | 33 | 13% |
| Grade 4 | 42 | 16% |
| Grade 5 | 36 | 14% |
This year's kindergarten class (63) is 75% larger than its 5th grade class (36).
Student demographics
65%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 69% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
38.0%
CA avg 49.1% . +1.0pp since 2014
Math
35.8%
CA avg 37.7% . +3.8pp since 2014
What this means: On the CAASPP, California's statewide test, about 38 of every 100 students at this school read and write at grade level and about 36 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores have held steady since 2014, while math scores are up about 4 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 13.9% | 24.1% | 30.6% | 31.5% |
| Math | 18.4% | 17.4% | 30.3% | 33.9% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 38.0% | 35.8% |
| 2023-24 | 23.4% | 24.2% |
| 2022-23 | 22.2% | 20.6% |
| 2021-22 | 26.4% | 18.6% |
| 2018-19 | 35.3% | 33.0% |
| 2017-18 | 35.8% | 27.2% |
| 2016-17 | 33.3% | 22.1% |
| 2015-16 | 37.0% | 28.0% |
| 2014-15 | 37.0% | 32.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
30.5%
composite math + reading, all grades
Predicted
35.0%
based on CA schools with similar FRL share
Beats by
-4.5pp
below demographic expectation
What this means: About 31% of students here test proficient in math and reading, compared with the roughly 35% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Rios Elementary
Rios Elementary's state test result (30.5% proficient) is higher than 2 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Rios Elementary this school | 255 | 76.1% | 30.5% |
| Webster Elementary Pasadena | 277 | 76.2% | 40.6% |
| Sycamore Elementary Redding | 235 | 76.6% | 49.0% |
| Joshua Tree Elementary Joshua Tree | 250 | 85.2% | 25.9% |
| Paragon Collegiate Academy Marysville | 208 | 70.7% | N/A |
| Lincoln Elementary Ventura | 202 | 74.8% | 26.5% |
Matched among California elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Rios Elementary ranks
Among elementary schools| Measure | This school | In California | In San Diego County |
|---|---|---|---|
| State test proficiency ranked highest first | 30.5% | #3,442 of 5,151 | #293 of 392 |
| Math proficiency ranked highest first | 35.8% | #2,673 of 5,172 ▲ 1,033 | #237 of 393 ▲ 68 |
| Reading proficiency ranked highest first | 38.0% | #3,131 of 5,172 ▲ 1,319 | #274 of 393 ▲ 84 |
| 3-year test score change ranked biggest gain first | +14.4pp | #204 of 5,116 | #12 of 387 |
| Enrollment ranked largest first | 255 | #5,096 of 5,915 | #401 of 453 |
| Students per teacher ranked fewest first | 21.3:1 | #1,662 of 5,352 | #85 of 418 |
| Diversity index ranked most diverse first | 65.4% | #1,208 of 5,354 | #114 of 418 |
| Free and reduced lunch ranked highest share first | 76.1% | #2,539 of 5,625 | #126 of 442 |
| Enrollment change since 2017-18 ranked steepest decline first | -29.0% | #599 of 3,837 | #34 of 279 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
255
-19 (-7%) vs 2020
-69% since 1990-91, when it was 832
Student : Teacher
21.3:1
was 24.9:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 255 | 12 | 21.3:1 | 76% (194) |
| 2023-24 | 261 | 11 | 23.7:1 | 77% (200) |
| 2022-23 | 256 | 10 | 25.6:1 | 75% (192) |
| 2020-21 | 274 | 11 | 24.9:1 | 63% (173) |
| 2017-18 | 359 | 16.2 | 22.2:1 | 64% (231) |
| 2015-16 | 271 | 12 | 22.6:1 | 72% (195) |
| 2010-11 | 298 | N/A | N/A | 58% (174) |
| 2000-01 | 532 | 25 | 21.3:1 | 41% (217) |
| 1990-91 | 832 | 31 | 26.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Rios Elementary.
Since 2017-18: students down 29% (359 to 255); teachers down 26% (16.2 to 12).
About Rios Elementary
Rios Elementary is a low-enrollment elementary school located in El Cajon, California. The latest federal count shows 255 students in kindergarten through 5. The average for elementary schools in California is about 465 students, so this school is 45% smaller than average.
Rios Elementary is part of a district of 25 schools: Cajon Valley Union, with 15,974 students.
Enrollment at Rios Elementary is mixed, with Hispanic students the largest group at 43%. The rest of enrollment is 38% White, 9% multiracial, 6% Black, and 3% Asian. Census estimates put the Hispanic share of San Diego County's population at about 35%. Rios Elementary has a diversity index of 65%, compared with 70% for all US public school students.
The school reported 12 full-time-equivalent teachers in 2024-25 and a ratio of 21.3:1. For comparison, elementary schools in California average 22.3:1. Free or reduced-price lunch eligibility is 76%. Among public schools in San Diego County, the average eligibility rate is 54%.
Given its share of students eligible for free or reduced-price lunch, Rios Elementary would be expected to post about 35.0%. Its actual average proficiency rate on state tests is 30.5%.
County data help place the school in context: in San Diego County, median household income is about $106,268, a bachelor's degree or higher is held by about 43% of adults, and the poverty rate is about 7%. The public schools of San Diego County number 766 and enroll about 467,437.
Of nearby public schools, Lakeview Elementary is the closest, at about 1.8 miles. Inside a five-mile radius, there are at least 8 other public schools. Rios Elementary comes in 5th of 8 nearby schools on average proficiency.
The federal government classifies Rios Elementary's location as Rural: Fringe.
A comparison of 2020-21 and 2024-25 shows enrollment down 7%, from 274 to 255. By 2024-25, the school had 21.3 students per teacher, compared with 24.9 in 2020-21.
Conversations here can range across science fairs, picture day, and bus routes. Posting is open to anyone connected to the school.
San Diego County at a glance
View full county profilePopulation
3,288,774
Census ACS
Median income
$106,268
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
766
467,437 students
Quick facts
Related schools
Other schools in Cajon Valley Union
- Hillsdale MiddleMiddle · 1,481 students
- Naranca ElementaryElementary · 985 students
- Cajon Valley MiddleMiddle · 942 students
- Montgomery MiddleMiddle · 929 students
- Lexington ElementaryElementary · 878 students
- Johnson ElementaryElementary · 766 students
Other schools in El Cajon
- Granite Hills HighHigh · 2,331 students
- Literacy First CharterCombined · 2,160 students
- Valhalla HighHigh · 1,728 students
- El Cajon Valley HighHigh · 1,701 students
- Hillsdale MiddleMiddle · 1,481 students
- Bostonia GlobalCombined · 1,266 students
Nearby schools
- Lakeview Elementary1.8 mi · 666
- Blossom Valley Elementary2.1 mi · 533
- Tierra del Sol Middle2.4 mi · 713
- Crest Elementary2.5 mi · 271
- Lindo Park Elementary2.7 mi · 421
- Lemon Crest Elementary2.9 mi · 437
Frequently asked questions
About Rios ElementaryHow many students attend Rios Elementary?
Rios Elementary enrolls approximately 255 students in grades KG-05.
What age range does Rios Elementary serve?
Rios Elementary serves students from grade KG through grade 05.
What is the student-teacher ratio at Rios Elementary?
The student-to-teacher ratio at Rios Elementary is approximately 21.3:1 (12 FTE teachers).
What is the racial breakdown of students at Rios Elementary?
At Rios Elementary, the student body is approximately 38% White, 43% Hispanic, 6% Black, 3% Asian, 9% Two or more.
What district is Rios Elementary in?
Rios Elementary is part of Cajon Valley Union.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.