Enrollment
128
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Tucson, AZ
Amphi Academy Online
Federal NCES profile for Amphi Academy Online, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040068003330
👥 S:T ratio 27
🌟 Gifted program 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Amphi Academy Online earns 48/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #11 of 131
- schools in Tucson · Resource Index
- 48
- Resource Index · Typical
- 18.3:1
- students per teacher
- 128
- students enrolled
Amphi Academy Online has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Amphi Academy Online ranks #11 of 131 schools in Tucson, AZ.
School address
District: Amphitheater Unified District (4406) · Arizona
NCES ID 040068003330 Verify on NCES CCD record →
Teachers (FTE)
7.0
Federal CCD staff survey
Students per teacher
18.3:1
vs 17:1 Arizona avg
+8% vs state
Student-teacher ratio in context
How Amphi Academy Online compares with Arizona and U.S. medians
What stands out at Amphi Academy Online
Amphi Academy Online is a mid-sized combined-grade school in Tucson, Arizona, enrolling 128 students.
Class loads run somewhat heavier than typical: 18.3:1 puts it in the larger third of Arizona schools by student-teacher ratio.
Enrollment of 128 puts it in the smaller third of Arizona schools by headcount.
Its Resource Investment Index lands in the upper third of 2,064 scored Arizona schools.
Its student body is led by Hispanic or Latino (50%) and White (38%) (diversity index 60/100).
The surrounding Amphitheater Unified District (4406) spends $10,331 per pupil, 21% below the Arizona average, a leaner-resourced district than most.
Its district draws 17.3% 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): Amphi Academy Online is smaller than that campus by headcount and runs leaner classes (18.3:1 vs 21.7:1).
Amphitheater Unified District (4406) also operates Canyon Del Oro High School (1,758 students) and Ironwood Ridge High School (1,539 students) alongside Amphi Academy Online.
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 Amphi Academy Online compares
Amphi Academy Online on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.3:1 | ▲ 8% | 17:1 | 15.7:1 |
| Enrollment | 128 | top 79% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.3:1
Leaner classes than 23% of US schools, heavier class loads than most.
128
Bigger than 13% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
18.3:1
students per teacher
- 8% above state mean
Top 65% in Arizona - lower ratio than 35% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$10,331
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
3
in-school suspensions + 6 out-of-school
Suspension rate: 2.3 per 100 students. Combined in-school and out-of-school rate: 7.0 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 50.0%
White 38.3%
African American 3.9%
Asian 2.3%
American Indian / Alaska Native 2.3%
Two or More 2.3%
Native Hawaiian / Pacific Islander 0.8%
Largest group: Hispanic or Latino at 50.0% of enrollment.
Student-body diversity index 60.0/100
Simpson diversity index - at 60.0, Amphi Academy Online is more mixed than the Arizona school average of 47.2.
Programs
AP courses offered 8
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Amphitheater Unified District (4406), which includes Amphi Academy Online.
$10,331
Per student
-21%
vs Arizona
Avg $13,145
-38%
vs U.S.
Avg $16,593
Revenue mix
Local 54.9%
State 27.9%
Federal 17.3%
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 Amphi Academy Online Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Canyon Del Oro High School | Larger | No free-lunch data | Higher S:T ratio |
| Ironwood Ridge High School | Larger | No free-lunch data | Higher S:T ratio |
| Amphitheater High School | Larger | No free-lunch data | Lower S:T ratio |
| Lawrence W Cross Middle School | Larger | No free-lunch data | Higher S:T ratio |
| Richard B Wilson Jr School | Larger | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Amphi Academy Online's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,758
- Students per teacher
- 22.8:1
- Resource Index
- 23/100
- Enrollment
- 1,539
- Students per teacher
- 21.4:1
- Resource Index
- 29/100
- Enrollment
- 996
- Students per teacher
- 13.6:1
- Resource Index
- 41/100
- Enrollment
- 827
- Students per teacher
- 22.4:1
- Resource Index
- 22/100
- Enrollment
- 770
- Students per teacher
- 15.1:1
- Resource Index
- 27/100
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 (~128 students)
Similar student-teacher ratio (~18.3:1)
Next steps
Verify locally before acting on Amphi Academy Online's federal record.
- Compare Amphi Academy Online against another school. Compare schools
- Amphitheater Unified District (4406)'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 Amphi Academy Online
How many students attend Amphi Academy Online?
Amphi Academy Online has 128 students enrolled. It is a public school in Tucson, AZ.
What is the student-teacher ratio at Amphi Academy Online?
The student-teacher ratio at Amphi Academy Online is 18.3:1, which is 8% higher than the Arizona average of 17:1 and 17% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Amphi Academy Online?
The largest demographic group at Amphi Academy Online is Hispanic or Latino at 50.0% of enrollment, in Tucson, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.0/100.
What is the Resource Investment Index for Amphi Academy Online?
Amphi Academy Online has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 2 factors: student-teacher ratio, AP course offerings. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Amphi Academy Online rank among schools in Tucson?
By Resource Investment Index, Amphi Academy Online ranks #11 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 Amphi Academy Online a good school?
Amphi Academy Online earns 48/100 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 Amphitheater Unified District (4406)?
Besides Amphi Academy Online, Amphitheater Unified District (4406) also operates Canyon Del Oro High School (1,758 students), Ironwood Ridge High School (1,539 students), and Amphitheater High School (996 students). See the Amphitheater Unified District (4406) 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.