- Enrollment
- 1,481
- Students per teacher
- 23.5:1
- Resource Index
- 37/100
Elementary school (grades K-5) · El Cajon, CA
Rios Elementary
Federal NCES profile for Rios Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060681000624
👥 S:T ratio 0
🌟 Gifted program 70
🎓 Counselors 49
📋 Attendance 12
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rios Elementary earns 33/100 on the Resource Investment Index, with class sizes larger than 82% of California schools.
- #7 of 24
- elementary schools in El Cajon · Resource Index
- 33
- Resource Index · Typical
- 25.5:1
- large classes for California
- 62.1%
- free-lunch eligible
Rios Elementary has class sizes larger than 82% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rios Elementary ranks #7 of 24 elementary schools in El Cajon, CA.
School address
District: Cajon Valley Union · California
NCES ID 060681000624 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+5 students YoY
Rios Elementary held near 261 students from 2022-23 to 2023-24 (+5 headcount).
Teacher FTE added 10.0 → 11.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+5 students YoY 060681000624 · El Cajon, CA Elementary · SMALL · TRAD
255 enr · 25.5:1 · 62.1% lunch · RII 33
Nearest enrollment peer: Hillsdale Middle (1,481 students)
Rios Elementary held near 261 students from 2022-23 to 2023-24 (+5 headcount). Teacher FTE added 10.0 → 11.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Rios Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Hillsdale Midd
Hillsdale Middle
1,481 students
- Naranca Elemen
Naranca Elementary
985 students
- Cajon Valley M
Cajon Valley Middle
942 students
- Montgomery Mid
Montgomery Middle
929 students
- Lexington Elem
Lexington Elementary
878 students
- This school 255
Rios Elementary
255 students
What this shows Rios Elementary reports 255 students on the CCD universe file.
How Rios Elementary compares
Rios Elementary held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 25.5:1 | ▲ 19% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 62.1% | ▲ 12% | 55.5% | 51.7% |
| Enrollment | 255 | top 79% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.5:1
Leaner classes than 4% of US schools, heavier class loads than most.
255
Bigger than 26% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
62.1%
free-lunch eligible
- 12% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
25.5:1
students per teacher
- 19% above state mean
Top 82% in California - lower ratio than 18% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
35.3%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$17,631
per pupil, district-wide
- below California avg of $18,665
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 255 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 43.1%
White 38.4%
Two or More 8.6%
African American 6.3%
Asian 3.1%
American Indian / Alaska Native 0.4%
Largest group: Hispanic or Latino at 43.1% of enrollment.
Student-body diversity index 65.4/100
Simpson diversity index - at 65.4, Rios Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for Cajon Valley Union reports $17,631 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Rios Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hillsdale Middle | Larger | Lower economic need | Lower S:T ratio |
| Naranca Elementary | Larger | Higher economic need | Higher S:T ratio |
| Cajon Valley Middle | Larger | Higher economic need | Lower S:T ratio |
| Montgomery Middle | Larger | Higher economic need | Similar S:T ratio |
| Lexington Elementary | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Rios Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 985
- Students per teacher
- 30.8:1
- Resource Index
- 23/100
- Enrollment
- 942
- Students per teacher
- 19.6:1
- Resource Index
- 35/100
- Enrollment
- 929
- Students per teacher
- 24.4:1
- Resource Index
- 32/100
- Enrollment
- 878
- Students per teacher
- 27.4:1
- Resource Index
- 12/100
Similar elementary schools in El Cajon
6 comparable elementary schools (grades K-5) serving the same city.
Naranca Elementary
Standard public school
985 students 30.8:1 students per teacher
Lexington Elementary
Standard public school
878 students 27.4:1 students per teacher
Johnson Elementary
Standard public school
766 students 28.4:1 students per teacher
Chase Avenue Elementary
Standard public school
757 students 24.4:1 students per teacher
Flying Hills School of Arts
Standard public school
742 students 26.5:1 students per teacher
Magnolia Elementary
Standard public school
703 students 29.3:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~255 students)
Frequently asked questions about Rios Elementary
How many students attend Rios Elementary?
Rios Elementary has 255 students enrolled. It is an elementary school in El Cajon, CA. CCD year-over-year: 256 (2022-23) → 261 (2023-24), nearly flat (+5).
What is the student-teacher ratio at Rios Elementary?
The student-teacher ratio at Rios Elementary is 25.5:1, which is 19% higher than the California average of 21.5:1 and 62% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Rios Elementary?
62.1% of students at Rios Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rios Elementary?
The largest demographic group at Rios Elementary is Hispanic or Latino at 43.1% of enrollment, in El Cajon, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.4/100.
What is the Resource Investment Index for Rios Elementary?
Rios Elementary has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Rios Elementary rank among elementary schools in El Cajon?
By Resource Investment Index, Rios Elementary ranks #7 of 24 elementary schools in El Cajon, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in El Cajon on the city page.
What other schools are in Cajon Valley Union?
Besides Rios Elementary, Cajon Valley Union also operates Hillsdale Middle (1,481 students), Naranca Elementary (985 students), and Cajon Valley Middle (942 students). See the Cajon Valley Union district page for the complete list.