Enrollment
285
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Tucson, AZ
Miles-Exploratory Learning Center
Federal NCES profile for Miles-Exploratory Learning Center, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040880000869
👥 S:T ratio 62
🌟 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
Miles-Exploratory Learning Center earns 33/100 on the Resource Investment Index, with class sizes smaller than 93% of Arizona schools.
- #77 of 131
- schools in Tucson · Resource Index
- 33
- Resource Index · Typical
- 9.5:1
- small classes for Arizona
- 36.9%
- free-lunch eligible
Miles-Exploratory Learning Center has class sizes smaller than 93% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Miles-Exploratory Learning Center ranks #77 of 131 schools in Tucson, AZ.
School address
District: Tucson Unified District (4403) · Arizona
NCES ID 040880000869 Verify on NCES CCD record →
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
9.5:1
vs 17:1 Arizona avg
-44% vs state
Free-lunch eligible
36.9%
vs 48.3% Arizona avg
-24% vs state
Student-teacher ratio in context
How Miles-Exploratory Learning Center compares with Arizona and U.S. medians
What stands out at Miles-Exploratory Learning Center
Miles-Exploratory Learning Center is a mid-sized combined-grade school in Tucson, Arizona, enrolling 285 students.
Classes run notably small here: at 9.5:1, Miles-Exploratory Learning Center is leaner than roughly 93% of Arizona schools and 44% under the state's 17:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 36.9% of students eligible for free meals.
With 285 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index sits near the middle of the pack among 2,064 scored Arizona schools.
Against 141 statewide peers matched on enrollment and economic need, it ranks mid-pack at #64.
Its student body is led by Hispanic or Latino (61%) and White (25%) (diversity index 55/100).
Counselor access is stretched at roughly 594 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 60.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 23.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Tucson's public schools, it stands alongside Craycroft Elementary School (586 students): Miles-Exploratory Learning Center is smaller than that campus by headcount and runs leaner classes (9.5:1 vs 21.7:1).
Tucson Unified District (4403) also operates Tucson Magnet High School (2,938 students) and Pueblo High School (1,821 students) alongside Miles-Exploratory Learning Center.
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 Miles-Exploratory Learning Center compares
Miles-Exploratory Learning Center on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.5:1 | ▼ 44% | 17:1 | 15.7:1 |
| Free-lunch eligible | 36.9% | ▼ 24% | 48.3% | 51.7% |
| Enrollment | 285 | top 64% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.5:1
Leaner classes than 91% of US schools, among the more generously staffed nationally.
285
Bigger than 30% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
36.9%
free-lunch eligible
- 24% below the Arizona average of 48.3%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
9.5:1
students per teacher
- 44% below state mean
Top 7% in Arizona - lower ratio than 93% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
60.4%
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
$11,545
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
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.4 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 61.4%
White 25.3%
Two or More 5.6%
American Indian / Alaska Native 3.2%
African American 2.5%
Asian 1.8%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Hispanic or Latino at 61.4% of enrollment.
Student-body diversity index 55.4/100
Simpson diversity index - at 55.4, Miles-Exploratory Learning Center is more mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Tucson Unified District (4403), which includes Miles-Exploratory Learning Center.
$11,545
Per student
-12%
vs Arizona
Avg $13,145
-30%
vs U.S.
Avg $16,593
Revenue mix
Local 41.8%
State 34.7%
Federal 23.6%
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 Miles-Exploratory Learning Center Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Tucson Magnet High School | Larger | Similar economic need | Higher S:T ratio |
| Pueblo High School | Larger | Higher economic need | Higher S:T ratio |
| Cholla High School | Larger | Higher economic need | Higher S:T ratio |
| Sahuaro High School | Larger | Similar economic need | Higher S:T ratio |
| Catalina Online Learning Experience | Larger | No free-lunch data | No ratio data |
Comparisons are relative to Miles-Exploratory Learning Center's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,938
- Students per teacher
- 18.1:1
- Resource Index
- 43/100
- Enrollment
- 1,821
- Students per teacher
- 17.7:1
- Resource Index
- 36/100
- Enrollment
- 1,575
- Students per teacher
- 17.1:1
- Resource Index
- 41/100
- Enrollment
- 1,250
- Students per teacher
- 18.7:1
- Resource Index
- 37/100
- Enrollment
- 1,184
- Students per teacher
- -
- Resource Index
- 15/100
Similar other schools in Tucson
2 comparable other schools (grades Mixed) serving the same city.
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 (~285 students)
Next steps
Verify locally before acting on Miles-Exploratory Learning Center's federal record.
- Compare Miles-Exploratory Learning Center against another school. Compare schools
- Tucson Unified District (4403)'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 Miles-Exploratory Learning Center
How many students attend Miles-Exploratory Learning Center?
Miles-Exploratory Learning Center has 285 students enrolled. It is a public school in Tucson, AZ.
What is the student-teacher ratio at Miles-Exploratory Learning Center?
The student-teacher ratio at Miles-Exploratory Learning Center is 9.5:1, which is 44% lower than the Arizona average of 17:1 and 39% 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 Miles-Exploratory Learning Center?
36.9% of students at Miles-Exploratory Learning Center are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Miles-Exploratory Learning Center?
The largest demographic group at Miles-Exploratory Learning Center is Hispanic or Latino at 61.4% of enrollment, in Tucson, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.4/100.
What is the Resource Investment Index for Miles-Exploratory Learning Center?
Miles-Exploratory Learning Center has a Resource Investment Index of 33/100 (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 Miles-Exploratory Learning Center rank among schools in Tucson?
By Resource Investment Index, Miles-Exploratory Learning Center ranks #77 of 131 schools in Tucson, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Tucson on the city page.
Is Miles-Exploratory Learning Center a good school?
Miles-Exploratory Learning Center earns 33/100 on the Resource Investment Index, with class sizes smaller than 93% of Arizona 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 Tucson Unified District (4403)?
Besides Miles-Exploratory Learning Center, Tucson Unified District (4403) also operates Tucson Magnet High School (2,938 students), Pueblo High School (1,821 students), and Cholla High School (1,575 students). See the Tucson Unified District (4403) 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.