Enrollment
1,758
Arizona · 2024-25 NCES data
High school (grades 9-12) · Oro Valley, AZ
Canyon Del Oro High School
Federal NCES profile for Canyon Del Oro High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 040068000033
👥 S:T ratio 9
📚 AP courses 90
🌟 Gifted program 70
🎓 Counselors 12
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Canyon Del Oro High School earns 36/100 on the Resource Investment Index, with class sizes larger than 89% of Arizona schools. It is also one of the largest schools in Arizona.
- #8 of 8
- public schools in Oro Valley · Resource Index
- 36
- Resource Index · Typical
- 22.8:1
- large classes for Arizona
- 14.0%
- free-lunch eligible
Canyon Del Oro High School has class sizes larger than 89% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Canyon Del Oro High School ranks #8 of 8 public schools in Oro Valley, AZ.
School address
District: Amphitheater Unified District (4406) · Arizona
NCES ID 040068000033 Verify on NCES CCD record →
Teachers (FTE)
77.0
Federal CCD staff survey
Students per teacher
22.8:1
vs 17:1 Arizona avg
+34% vs state
Free-lunch eligible
14.0%
vs 48.3% Arizona avg
-71% vs state
Student-teacher ratio in context
How Canyon Del Oro High School compares with Arizona and U.S. medians
What stands out at Canyon Del Oro High School
Canyon Del Oro High School is a lower-poverty, large high school in Oro Valley, Arizona, enrolling 1,758 students.
Class loads run heavy: 22.8:1 is larger than about 89% of Arizona schools and 34% above the 17:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 14.0% free-meal eligibility runs 71% below the Arizona average.
By headcount it is one of the larger campuses in Arizona, bigger than 96% of state schools at 1,758 students.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Among 68 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #50, in the lower tier once campus size and economic need are matched.
Its student body is led by White (56%) and Hispanic or Latino (35%) (diversity index 56/100).
On the academic-pipeline side it reports 18 Advanced Placement courses.
Counselor access is stretched at roughly 440 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 44.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
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.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Amphitheater Unified District (4406) also operates Ironwood Ridge High School (1,539 students) and Amphitheater High School (996 students) alongside Canyon Del Oro High 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 Canyon Del Oro High School compares
Canyon Del Oro High 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 | 22.8:1 | ▲ 34% | 17:1 | 15.7:1 |
| Free-lunch eligible | 14.0% | ▼ 71% | 48.3% | 51.7% |
| Enrollment | 1,758 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.8:1
Leaner classes than 9% of US schools, heavier class loads than most.
1,758
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
14.0%
free-lunch eligible
- 71% 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
22.8:1
students per teacher
- 34% above state mean
Top 89% in Arizona - lower ratio than 11% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
44.7%
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
$10,331
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
Counselors4.0 FTE
Per 440 students, the combined health-and-guidance staffing load for this school.
Discipline context
35
in-school suspensions + 119 out-of-school
Suspension rate: 2.0 per 100 students. Combined in-school and out-of-school rate: 8.8 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 56.2%
Hispanic or Latino 34.9%
Two or More 3.7%
Asian 2.4%
African American 1.7%
American Indian / Alaska Native 0.9%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 56.2% of enrollment.
Student-body diversity index 56.0/100
Simpson diversity index - at 56.0, Canyon Del Oro High School is more mixed than the Arizona school average of 47.2.
Programs
AP courses offered 18
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Amphitheater Unified District (4406), which includes Canyon Del Oro High School.
$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 Canyon Del Oro High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ironwood Ridge High School | Similar size | Similar economic need | Similar S:T ratio |
| Amphitheater High School | Smaller | Higher economic need | Lower S:T ratio |
| Lawrence W Cross Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Richard B Wilson Jr School | Smaller | Similar economic need | Lower S:T ratio |
| Coronado K-8 School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Canyon Del Oro High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- 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
- Enrollment
- 561
- Students per teacher
- 11.9:1
- Resource Index
- 31/100
Similar high 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 (~1,758 students)
Similar student-teacher ratio (~22.8:1)
Next steps
Verify locally before acting on Canyon Del Oro High School's federal record.
- Compare Canyon Del Oro High School 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 Canyon Del Oro High School
How many students attend Canyon Del Oro High School?
Canyon Del Oro High School has 1,758 students enrolled. It is a high school in Oro Valley, AZ.
What is the student-teacher ratio at Canyon Del Oro High School?
The student-teacher ratio at Canyon Del Oro High School is 22.8:1, which is 34% higher than the Arizona average of 17:1 and 45% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Canyon Del Oro High School?
14.0% of students at Canyon Del Oro High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Canyon Del Oro High School?
The largest demographic group at Canyon Del Oro High School is White at 56.2% of enrollment, in Oro Valley, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.0/100.
What is the Resource Investment Index for Canyon Del Oro High School?
Canyon Del Oro High School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Canyon Del Oro High School rank among public schools in Oro Valley?
By Resource Investment Index, Canyon Del Oro High School ranks #8 of 8 public schools in Oro Valley, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Oro Valley on the city page.
Is Canyon Del Oro High School a good school?
Canyon Del Oro High School earns 36/100 on the Resource Investment Index, with class sizes larger than 89% of Arizona schools. It is also one of the largest schools in Arizona. 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 Canyon Del Oro High School, Amphitheater Unified District (4406) also operates Ironwood Ridge High School (1,539 students), Amphitheater High School (996 students), and Lawrence W Cross Middle School (827 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.