- Enrollment
- 2,992
- Students per teacher
- 23:1
- Resource Index
- 34/100
Other / mixed grade configuration · Gilbert, AZ
Oak Tree Elementary
Federal NCES profile for Oak Tree Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040340001838
👥 S:T ratio 60
🌟 Gifted program 70
🎓 Counselors 23
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Oak Tree Elementary earns 38/100 on the Resource Investment Index, with class sizes smaller than 92% of Arizona schools.
- #25 of 46
- schools in Gilbert · Resource Index
- 38
- Resource Index · Typical
- 10.1:1
- small classes for Arizona
- 40.0%
- free-lunch eligible
Oak Tree Elementary has class sizes smaller than 92% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Oak Tree Elementary ranks #25 of 46 schools in Gilbert, AZ.
School address
District: Gilbert Unified District (4239) · Arizona
NCES ID 040340001838 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-21 students YoY
Oak Tree Elementary shrank from 418 students in 2022-23 to 397 in 2023-24 (-5.0%).
Teacher FTE added 38.0 → 38.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-21 students YoY 040340001838 · Gilbert, AZ Other · SMALL · TRAD
384 enr · 10.1:1 · 40.0% lunch · RII 38
Nearest enrollment peer: Highland High School (2,992 students)
Oak Tree Elementary shrank from 418 students in 2022-23 to 397 in 2023-24 (-5.0%). Teacher FTE added 38.0 → 38.7 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Oak Tree Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Highland High
Highland High School
2,992 students
- Gilbert High S
Gilbert High School
2,418 students
- Desert Ridge H
Desert Ridge High
2,103 students
- Campo Verde Hi
Campo Verde High School
1,863 students
- Mesquite High
Mesquite High School
1,303 students
- This school 384
Oak Tree Elementary
384 students
What this shows Oak Tree Elementary reports 384 students on the CCD universe file.
How Oak Tree Elementary compares
Oak Tree Elementary is a shrinking campus on CCD: ratios and free-lunch share vs Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.1:1 | ▼ 41% | 17:1 | 15.7:1 |
| Free-lunch eligible | 40.0% | ▼ 17% | 48.3% | 51.7% |
| Enrollment | 384 | top 53% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.1:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
384
Bigger than 45% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
40.0%
free-lunch eligible
- 17% below the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
10.1:1
students per teacher
- 41% below state mean
Top 8% in Arizona - lower ratio than 92% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
46.9%
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
$10,928
per pupil, district-wide
- below Arizona avg of $13,502
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 384 students, the combined health-and-guidance staffing load for this school.
Discipline context
10
in-school suspensions + 8 out-of-school
Suspension rate: 2.6 per 100 students. Combined in-school and out-of-school rate: 4.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 42.2%
White 41.4%
Two or More 7.8%
African American 3.9%
American Indian / Alaska Native 2.1%
Asian 1.8%
Native Hawaiian / Pacific Islander 0.8%
Largest group: Hispanic or Latino at 42.2% of enrollment.
Student-body diversity index 64.2/100
Simpson diversity index - at 64.2, Oak Tree Elementary is more mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
District finance for Gilbert Unified District (4239) reports $10,928 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Oak Tree Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Highland High School | Larger | Lower economic need | Higher S:T ratio |
| Gilbert High School | Larger | Lower economic need | Higher S:T ratio |
| Desert Ridge High | Larger | Lower economic need | Higher S:T ratio |
| Campo Verde High School | Larger | Lower economic need | Higher S:T ratio |
| Mesquite High School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Oak Tree Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,418
- Students per teacher
- 21.8:1
- Resource Index
- 38/100
- Enrollment
- 2,103
- Students per teacher
- 21.5:1
- Resource Index
- 33/100
- Enrollment
- 1,863
- Students per teacher
- 21.7:1
- Resource Index
- 34/100
- Enrollment
- 1,303
- Students per teacher
- 20:1
- Resource Index
- 31/100
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
Nationwide other 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 (~384 students)
Frequently asked questions about Oak Tree Elementary
How many students attend Oak Tree Elementary?
Oak Tree Elementary has 384 students enrolled. It is a public school in Gilbert, AZ. CCD year-over-year: 418 (2022-23) → 397 (2023-24), down 21.
What is the student-teacher ratio at Oak Tree Elementary?
The student-teacher ratio at Oak Tree Elementary is 10.1:1, which is 41% lower than the Arizona average of 17:1 and 36% 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 Oak Tree Elementary?
40.0% of students at Oak Tree Elementary are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Oak Tree Elementary?
The largest demographic group at Oak Tree Elementary is Hispanic or Latino at 42.2% of enrollment, in Gilbert, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.2/100.
What is the Resource Investment Index for Oak Tree Elementary?
Oak Tree Elementary has a Resource Investment Index of 38/100 (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 Oak Tree Elementary rank among schools in Gilbert?
By Resource Investment Index, Oak Tree Elementary ranks #25 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.
What other schools are in Gilbert Unified District (4239)?
Besides Oak Tree Elementary, Gilbert Unified District (4239) also operates Highland High School (2,992 students), Gilbert High School (2,418 students), and Desert Ridge High (2,103 students). See the Gilbert Unified District (4239) district page for the complete list.