Enrollment
770
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Gilbert, AZ
Riggs Elementary
Federal NCES profile for Riggs Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040187002873
👥 S:T ratio 36
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 18
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Riggs Elementary earns 21/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #44 of 46
- schools in Gilbert · Resource Index
- 21
- Resource Index · Lower
- 16:1
- students per teacher
- 8.9%
- free-lunch eligible
Riggs Elementary has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Riggs Elementary ranks #44 of 46 schools in Gilbert, AZ.
School address
District: Chandler Unified District #80 (4242) · Arizona
NCES ID 040187002873 Verify on NCES CCD record →
Teachers (FTE)
48.0
Federal CCD staff survey
Students per teacher
16:1
vs 17:1 Arizona avg
-6% vs state
Free-lunch eligible
8.9%
vs 48.3% Arizona avg
-82% vs state
Student-teacher ratio in context
How Riggs Elementary compares with Arizona and U.S. medians
What stands out at Riggs Elementary
Riggs Elementary is a lower-poverty, mid-sized combined-grade school in Gilbert, Arizona, enrolling 770 students.
At 16:1, its student-teacher ratio sits close to the Arizona median, within a few percentage points of the 17:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 8.9% free-meal eligibility runs 82% below the Arizona average.
Enrollment of 770 puts it in the larger third of Arizona schools by headcount.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Among 195 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #176, in the lower tier once campus size and economic need are matched.
Its student body is led by White (64%) and Hispanic or Latino (22%) (diversity index 54/100).
Counselor access is stretched at roughly 770 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 33.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Chandler Unified District #80 (4242) spends $9,696 per pupil, 26% below the Arizona average, a leaner-resourced district than most.
Among Gilbert's public schools, it stands alongside Williams Field High School (2,150 students): Riggs Elementary is smaller than that campus by headcount and runs leaner classes (16:1 vs 21.9:1).
Chandler Unified District #80 (4242) also operates Hamilton High School (3,444 students) and Chandler High School (3,179 students) alongside Riggs 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 Riggs Elementary compares
Riggs Elementary on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16:1 | ▼ 6% | 17:1 | 15.7:1 |
| Free-lunch eligible | 8.9% | ▼ 82% | 48.3% | 51.7% |
| Enrollment | 770 | top 17% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16:1
Leaner classes than 38% of US schools, a middle-of-the-pack class size.
770
Bigger than 84% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
8.9%
free-lunch eligible
- 82% below the Arizona average of 48.3%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16:1
students per teacher
- 6% below state mean
Top 45% in Arizona - lower ratio than 55% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
33.0%
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
$9,696
per pupil, district-wide
- below Arizona avg of $13,145
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 770 students, the combined health-and-guidance staffing load for this school.
Discipline context
7
in-school suspensions + 5 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 1.6 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
White 63.8%
Hispanic or Latino 22.3%
Two or More 8.4%
African American 2.9%
Asian 2.3%
American Indian / Alaska Native 0.3%
Largest group: White at 63.8% of enrollment.
Student-body diversity index 53.5/100
Simpson diversity index - at 53.5, Riggs Elementary is more mixed than the Arizona school average of 47.2.
Programs
Funding & spending
District-wide per-pupil expenditure for Chandler Unified District #80 (4242), which includes Riggs Elementary.
$9,696
Per student
-26%
vs Arizona
Avg $13,145
-42%
vs U.S.
Avg $16,593
Revenue mix
Local 42.7%
State 44.2%
Federal 13.1%
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 Riggs Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hamilton High School | Larger | Similar economic need | Higher S:T ratio |
| Chandler High School | Larger | Higher economic need | Similar S:T ratio |
| Basha High School | Larger | Similar economic need | Higher S:T ratio |
| Dr. Camille Casteel High School | Larger | Similar economic need | Higher S:T ratio |
| Perry High School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Riggs Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,444
- Students per teacher
- 19.3:1
- Resource Index
- 25/100
- Enrollment
- 3,179
- Students per teacher
- 16.6:1
- Resource Index
- 25/100
- Enrollment
- 2,826
- Students per teacher
- 20.9:1
- Resource Index
- 18/100
- Enrollment
- 2,816
- Students per teacher
- 18.6:1
- Resource Index
- 24/100
- Enrollment
- 2,373
- Students per teacher
- 16.9:1
- Resource Index
- 34/100
Similar other schools in Gilbert
4 comparable other schools (grades Mixed) serving the same city.
Williams Field High School
Standard public school
2,150 students 21.9:1 students per teacher
Gateway Pointe Elementary
Standard public school
685 students 16.7:1 students per teacher
Great Hearts Academies - Arete Prep
Standard public school
540 students
Learning Foundation and Performing Arts Gilbert
Standard public school
259 students
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Arizona, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~770 students)
Similar student-teacher ratio (~16:1)
Next steps
Verify locally before acting on Riggs Elementary's federal record.
- Compare Riggs Elementary against another school. Compare schools
- Chandler Unified District #80 (4242)'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 Riggs Elementary
How many students attend Riggs Elementary?
Riggs Elementary has 770 students enrolled. It is a public school in Gilbert, AZ.
What is the student-teacher ratio at Riggs Elementary?
The student-teacher ratio at Riggs Elementary is 16:1, which is 6% lower than the Arizona average of 17:1 and 2% 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 Riggs Elementary?
8.9% of students at Riggs Elementary are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Riggs Elementary?
The largest demographic group at Riggs Elementary is White at 63.8% of enrollment, in Gilbert, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.5/100.
What is the Resource Investment Index for Riggs Elementary?
Riggs Elementary has a Resource Investment Index of 21/100 (lower 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 Riggs Elementary rank among schools in Gilbert?
By Resource Investment Index, Riggs Elementary ranks #44 of 46 schools in Gilbert, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Gilbert on the city page.
Is Riggs Elementary a good school?
Riggs Elementary earns 21/100 on the Resource Investment Index, with class sizes near the Arizona median. 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 Chandler Unified District #80 (4242)?
Besides Riggs Elementary, Chandler Unified District #80 (4242) also operates Hamilton High School (3,444 students), Chandler High School (3,179 students), and Basha High School (2,826 students). See the Chandler Unified District #80 (4242) 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.