Enrollment
636
California · 2024-25 NCES data
Elementary school (grades K-5) · Arcadia, CA
Rio Hondo Elementary
Federal NCES profile for Rio Hondo Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 061209001357
👥 S:T ratio 23
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 52
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rio Hondo Elementary earns 36/100 on the Resource Investment Index, with class sizes smaller than 71% of California schools.
- #1 of 7
- elementary schools in Arcadia · Resource Index
- 36
- Resource Index · Typical
- 19.3:1
- small classes for California
- 48.7%
- free-lunch eligible
Rio Hondo Elementary has class sizes smaller than 71% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rio Hondo Elementary ranks #1 of 7 elementary schools in Arcadia, CA.
School address
District: El Monte City · California
NCES ID 061209001357 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
19.3:1
vs 21.5:1 California avg
-10% vs state
Free-lunch eligible
48.7%
vs 55.5% California avg
-12% vs state
Student-teacher ratio in context
How Rio Hondo Elementary compares with California and U.S. medians
What stands out at Rio Hondo Elementary
Rio Hondo Elementary is a mid-sized elementary school in Arcadia, California, enrolling 636 students.
Class sizes run a bit leaner than typical: 19.3:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 48.7% of students eligible for free meals.
Enrollment of 636 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 1,427 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #273.
Its student body is led by Hispanic or Latino (78%) and Asian (18%) (diversity index 36/100).
Counselor access is stretched at roughly 1817 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 19.3% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding El Monte City spends $21,213 per pupil, 28% above the California average, a better-resourced district than most.
Among Arcadia's elementary schools, it stands alongside Holly Avenue Elementary (789 students): Rio Hondo Elementary is smaller than that campus by headcount and runs leaner classes (19.3:1 vs 28.2:1).
El Monte City also operates Durfee Elementary (1,120 students) and Columbia Elementary (706 students) alongside Rio Hondo Elementary.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Rio Hondo Elementary compares
Rio Hondo Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.3:1 | ▼ 10% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 48.7% | ▼ 12% | 55.5% | 51.7% |
| Enrollment | 636 | top 29% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.3:1
Leaner classes than 19% of US schools, heavier class loads than most.
636
Bigger than 76% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
48.7%
free-lunch eligible
- 12% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
19.3:1
students per teacher
- 10% below state mean
Top 29% in California - lower ratio than 71% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
19.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$21,213
per pupil, district-wide
- above California avg of $16,509
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.3 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.5 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 78.0%
Asian 18.2%
White 1.6%
Two or More 1.1%
African American 0.6%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 78.0% of enrollment.
Student-body diversity index 35.8/100
Simpson diversity index - at 35.8, Rio Hondo Elementary is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for El Monte City, which includes Rio Hondo Elementary.
$21,213
Per student
+28%
vs California
Avg $16,509
+28%
vs U.S.
Avg $16,593
Revenue mix
Local 25.2%
State 61.0%
Federal 13.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Rio Hondo Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Durfee Elementary | Larger | Similar economic need | Higher S:T ratio |
| Columbia Elementary | Similar size | Higher economic need | Higher S:T ratio |
| Potrero Elementary | Similar size | Higher economic need | Similar S:T ratio |
| Wright Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Legore Elementary | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Rio Hondo Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,120
- Students per teacher
- 22.9:1
- Resource Index
- 46/100
- Enrollment
- 706
- Students per teacher
- 22.1:1
- Resource Index
- 37/100
- Enrollment
- 596
- Students per teacher
- 19.9:1
- Resource Index
- 39/100
- Enrollment
- 562
- Students per teacher
- 20.1:1
- Resource Index
- 30/100
- Enrollment
- 516
- Students per teacher
- 21.5:1
- Resource Index
- 32/100
Similar elementary schools in Arcadia
6 comparable elementary schools (grades K-5) serving the same city.
Holly Avenue Elementary
Standard public school
789 students 28.2:1 students per teacher
Camino Grove Elementary
Standard public school
695 students 25.7:1 students per teacher
Baldwin Stocker Elementary
Standard public school
664 students 27.7:1 students per teacher
Highland Oaks Elementary
Standard public school
655 students 26.2:1 students per teacher
Hugo Reid Elementary
Standard public school
583 students 27.8:1 students per teacher
Longley Way Elementary
Standard public school
541 students 28.5:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~636 students)
Next steps
Verify locally before acting on Rio Hondo Elementary's federal record.
- Compare Rio Hondo Elementary against another school. Compare schools
- El Monte City's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Rio Hondo Elementary
How many students attend Rio Hondo Elementary?
Rio Hondo Elementary has 636 students enrolled. It is an elementary school in Arcadia, CA.
What is the student-teacher ratio at Rio Hondo Elementary?
The student-teacher ratio at Rio Hondo Elementary is 19.3:1, which is 10% lower than the California average of 21.5:1 and 23% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Rio Hondo Elementary?
48.7% of students at Rio Hondo Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rio Hondo Elementary?
The largest demographic group at Rio Hondo Elementary is Hispanic or Latino at 78.0% of enrollment, in Arcadia, CA.
What is the Resource Investment Index for Rio Hondo Elementary?
Rio Hondo Elementary has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Rio Hondo Elementary rank among elementary schools in Arcadia?
By Resource Investment Index, Rio Hondo Elementary ranks #1 of 7 elementary schools in Arcadia, 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 Arcadia on the city page.
Is Rio Hondo Elementary a good school?
Rio Hondo Elementary earns 36/100 on the Resource Investment Index, with class sizes smaller than 71% of California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in El Monte City?
Besides Rio Hondo Elementary, El Monte City also operates Durfee Elementary (1,120 students), Columbia Elementary (706 students), and Potrero Elementary (596 students). See the El Monte City district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.