Enrollment
581
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Mesa, AZ
Keller Elementary School
Federal NCES profile for Keller Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040497001071
👥 S:T ratio 42
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Keller Elementary School earns 28/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #63 of 70
- schools in Mesa · Resource Index
- 28
- Resource Index · Lower
- 14.5:1
- students per teacher
- 54.9%
- free-lunch eligible
Keller Elementary School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Keller Elementary School ranks #63 of 70 schools in Mesa, AZ.
School address
District: Mesa Unified District (4235) · Arizona
NCES ID 040497001071 Verify on NCES CCD record →
Teachers (FTE)
40.0
Federal CCD staff survey
Students per teacher
14.5:1
vs 17:1 Arizona avg
-15% vs state
Free-lunch eligible
54.9%
vs 48.3% Arizona avg
+14% vs state
Student-teacher ratio in context
How Keller Elementary School compares with Arizona and U.S. medians
What stands out at Keller Elementary School
Keller Elementary School is a higher-need, mid-sized combined-grade school in Mesa, Arizona, enrolling 581 students.
Class sizes run a bit leaner than typical: 14.5:1 puts it in the smaller third of Arizona schools by student-teacher ratio.
Its free-meal eligibility rate of 54.9% lands close to the Arizona typical range, neither a high- nor low-need campus by this measure.
Enrollment of 581 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.
Against 354 statewide peers matched on enrollment and economic need, it ranks mid-pack at #183.
Its student body is led by Hispanic or Latino (71%) and White (16%) (diversity index 47/100).
Counselor access is stretched at roughly 581 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 42.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 18.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Mesa's public schools, it stands alongside Eastmark High School (1,889 students): Keller Elementary School is smaller than that campus by headcount and runs leaner classes (14.5:1 vs 23.6:1).
Mesa Unified District (4235) also operates Mountain View High School (3,421 students) and Red Mountain High School (3,379 students) alongside Keller Elementary School.
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 Keller Elementary School compares
Keller Elementary School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.5:1 | ▼ 15% | 17:1 | 15.7:1 |
| Free-lunch eligible | 54.9% | ▲ 14% | 48.3% | 51.7% |
| Enrollment | 581 | top 30% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.5:1
Leaner classes than 52% of US schools, a middle-of-the-pack class size.
581
Bigger than 71% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
54.9%
free-lunch eligible
- 14% above the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.5:1
students per teacher
- 15% below state mean
Top 31% in Arizona - lower ratio than 69% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
42.5%
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
$11,160
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 581 students, the combined health-and-guidance staffing load for this school.
Discipline context
26
in-school suspensions + 11 out-of-school
Suspension rate: 4.5 per 100 students. Combined in-school and out-of-school rate: 6.4 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 70.7%
White 15.7%
African American 4.6%
American Indian / Alaska Native 3.4%
Two or More 3.4%
Native Hawaiian / Pacific Islander 1.5%
Asian 0.5%
Largest group: Hispanic or Latino at 70.7% of enrollment.
Student-body diversity index 47.1/100
Simpson diversity index - at 47.1, Keller Elementary School is about as mixed as the Arizona school average of 47.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Mesa Unified District (4235), which includes Keller Elementary School.
$11,160
Per student
-15%
vs Arizona
Avg $13,145
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 37.4%
State 44.5%
Federal 18.1%
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 Keller Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mountain View High School | Larger | Lower economic need | Higher S:T ratio |
| Red Mountain High School | Larger | Lower economic need | Higher S:T ratio |
| Mesa High School | Larger | Similar economic need | Higher S:T ratio |
| Westwood High School | Larger | Similar economic need | Higher S:T ratio |
| Dobson High School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Keller Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,421
- Students per teacher
- 21.4:1
- Resource Index
- 36/100
- Enrollment
- 3,379
- Students per teacher
- 20.4:1
- Resource Index
- 38/100
- Enrollment
- 3,233
- Students per teacher
- 19.5:1
- Resource Index
- 40/100
- Enrollment
- 3,135
- Students per teacher
- 18.4:1
- Resource Index
- 45/100
- Enrollment
- 2,284
- Students per teacher
- 19.5:1
- Resource Index
- 39/100
Similar other schools in Mesa
6 comparable other schools (grades Mixed) serving the same city.
Eastmark High School
Standard public school
1,889 students 23.6:1 students per teacher
Sequoia Choice School Arizona Distance Learning School
Standard public school
1,711 students
Silver Valley Elementary
Standard public school
1,384 students 22.7:1 students per teacher
Astravo Online Academy
Standard public school
849 students
Eagleridge Enrichment Program
Standard public school
694 students 63.1:1 students per teacher
American Leadership Academy Virtual
Standard public school
660 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 (~581 students)
Similar student-teacher ratio (~14.5:1)
Next steps
Verify locally before acting on Keller Elementary School's federal record.
- Compare Keller Elementary School against another school. Compare schools
- Mesa Unified District (4235)'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 Keller Elementary School
How many students attend Keller Elementary School?
Keller Elementary School has 581 students enrolled. It is a public school in Mesa, AZ.
What is the student-teacher ratio at Keller Elementary School?
The student-teacher ratio at Keller Elementary School is 14.5:1, which is 15% lower than the Arizona average of 17:1 and 8% lower 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 Keller Elementary School?
54.9% of students at Keller Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Keller Elementary School?
The largest demographic group at Keller Elementary School is Hispanic or Latino at 70.7% of enrollment, in Mesa, AZ.
What is the Resource Investment Index for Keller Elementary School?
Keller Elementary School has a Resource Investment Index of 28/100 (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 Keller Elementary School rank among schools in Mesa?
By Resource Investment Index, Keller Elementary School ranks #63 of 70 schools in Mesa, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Mesa on the city page.
Is Keller Elementary School a good school?
Keller Elementary School earns 28/100 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 Mesa Unified District (4235)?
Besides Keller Elementary School, Mesa Unified District (4235) also operates Mountain View High School (3,421 students), Red Mountain High School (3,379 students), and Mesa High School (3,233 students). See the Mesa Unified District (4235) 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.