- Enrollment
- 1,567
- Students per teacher
- 20.9:1
- Resource Index
- 34/100
Elementary school (grades K-5) · Pomona, CA
Arroyo Elementary
Federal NCES profile for Arroyo Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 11/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063132004837
👥 S:T ratio 9
🌟 Gifted program 30
🎓 Counselors 4
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Arroyo Elementary earns 11/100 on the Resource Investment Index, with class sizes near the California median. It is also less racially and ethnically mixed than most California schools.
- #19 of 22
- elementary schools in Pomona · Resource Index
- 11
- Resource Index · Lower
- 22.8:1
- students per teacher
- 88.1%
- free-lunch eligible
Arroyo Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Arroyo Elementary ranks #19 of 22 elementary schools in Pomona, CA.
School address
District: Pomona Unified · California
NCES ID 063132004837 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+12 students YoY
Arroyo Elementary held near 481 students from 2022-23 to 2023-24 (+12 headcount).
Teacher FTE added 21.0 → 22.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+12 students YoY 063132004837 · Pomona, CA Elementary · SMALL · TRAD
479 enr · 22.8:1 · 88.1% lunch · RII 11
Nearest enrollment peer: Garey High (1,567 students)
Arroyo Elementary held near 481 students from 2022-23 to 2023-24 (+12 headcount). Teacher FTE added 21.0 → 22.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Arroyo Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Garey High
Garey High
1,567 students
- Diamond Ranch
Diamond Ranch High
1,542 students
- School of Exte
School of Extended Educational Options
1,204 students
- Pomona High
Pomona High
993 students
- Ganesha High
Ganesha High
895 students
- This school 479
Arroyo Elementary
479 students
What this shows Arroyo Elementary reports 479 students on the CCD universe file.
How Arroyo Elementary compares
Arroyo 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 | 22.8:1 | ▲ 6% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 88.1% | ▲ 59% | 55.5% | 51.7% |
| Enrollment | 479 | top 48% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.8:1
Leaner classes than 9% of US schools, heavier class loads than most.
479
Bigger than 59% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
88.1%
free-lunch eligible
- 59% above the California average of 55.5%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
22.8:1
students per teacher
- 6% above state mean
Top 61% in California - lower ratio than 39% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
54.9%
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
$20,239
per pupil, district-wide
- above California avg of $18,665
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 479 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 1 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 0.6 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 94.6%
African American 1.9%
White 1.7%
Asian 1.5%
Native Hawaiian / Pacific Islander 0.2%
Two or More 0.2%
Largest group: Hispanic or Latino at 94.6% of enrollment.
Student-body diversity index 10.4/100
Simpson diversity index - at 10.4, Arroyo Elementary is less mixed than the California school average of 46.0.
Programs
District finance for Pomona Unified reports $20,239 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Arroyo Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Garey High | Larger | Similar economic need | Lower S:T ratio |
| Diamond Ranch High | Larger | Lower economic need | Similar S:T ratio |
| School of Extended Educational Options | Larger | Lower economic need | Higher S:T ratio |
| Pomona High | Larger | Similar economic need | Lower S:T ratio |
| Ganesha High | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Arroyo Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,542
- Students per teacher
- 23.4:1
- Resource Index
- 36/100
- Enrollment
- 1,204
- Students per teacher
- 32.5:1
- Resource Index
- 43/100
- Enrollment
- 993
- Students per teacher
- 16.6:1
- Resource Index
- 37/100
- Enrollment
- 895
- Students per teacher
- 19.5:1
- Resource Index
- 35/100
Similar elementary schools in Pomona
6 comparable elementary schools (grades K-5) serving the same city.
Vejar Elementary
Standard public school
741 students 20.6:1 students per teacher
Kingsley Elementary
Standard public school
656 students 28.5:1 students per teacher
Washington Elementary
Standard public school
645 students 26.9:1 students per teacher
Cortez Elementary
Standard public school
607 students 22.5:1 students per teacher
Alcott Elementary
Standard public school
606 students 21.6:1 students per teacher
Lexington Elementary
Standard public school
537 students 21.5:1 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 (~479 students)
Frequently asked questions about Arroyo Elementary
How many students attend Arroyo Elementary?
Arroyo Elementary has 479 students enrolled. It is an elementary school in Pomona, CA. CCD year-over-year: 469 (2022-23) → 481 (2023-24), nearly flat (+12).
What is the student-teacher ratio at Arroyo Elementary?
The student-teacher ratio at Arroyo Elementary is 22.8:1, which is 6% higher than the California average of 21.5:1 and 45% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Arroyo Elementary?
88.1% of students at Arroyo Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Arroyo Elementary?
The largest demographic group at Arroyo Elementary is Hispanic or Latino at 94.6% of enrollment, in Pomona, CA.
What is the Resource Investment Index for Arroyo Elementary?
Arroyo Elementary has a Resource Investment Index of 11/100 (lower 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 Arroyo Elementary rank among elementary schools in Pomona?
By Resource Investment Index, Arroyo Elementary ranks #19 of 22 elementary schools in Pomona, 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 Pomona on the city page.
What other schools are in Pomona Unified?
Besides Arroyo Elementary, Pomona Unified also operates Garey High (1,567 students), Diamond Ranch High (1,542 students), and School of Extended Educational Options (1,204 students). See the Pomona Unified district page for the complete list.