Enrollment
1,539
Arizona · 2024-25 NCES data
High school (grades 9-12) · Oro Valley, AZ
Ironwood Ridge High School
Federal NCES profile for Ironwood Ridge High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 040068002198
👥 S:T ratio 14
📚 AP courses 90
🌟 Gifted program 70
🎓 Counselors 32
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ironwood Ridge High School earns 41/100 on the Resource Investment Index, with class sizes larger than 83% of Arizona schools. It is also one of the largest schools in Arizona.
- #6 of 8
- public schools in Oro Valley · Resource Index
- 41
- Resource Index · Typical
- 21.4:1
- large classes for Arizona
- 12.0%
- free-lunch eligible
Ironwood Ridge High School has class sizes larger than 83% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Ironwood Ridge High School ranks #6 of 8 public schools in Oro Valley, AZ.
School address
District: Amphitheater Unified District (4406) · Arizona
NCES ID 040068002198 Verify on NCES CCD record →
Teachers (FTE)
72.0
Federal CCD staff survey
Students per teacher
21.4:1
vs 17:1 Arizona avg
+26% vs state
Free-lunch eligible
12.0%
vs 48.3% Arizona avg
-75% vs state
Student-teacher ratio in context
How Ironwood Ridge High School compares with Arizona and U.S. medians
What stands out at Ironwood Ridge High School
Ironwood Ridge High School is a lower-poverty, large high school in Oro Valley, Arizona, enrolling 1,539 students.
Class loads run somewhat heavier than typical: 21.4:1 puts it in the larger third of Arizona schools by student-teacher ratio.
Comparatively few students face economic hardship here, 12.0% free-meal eligibility runs 75% below the Arizona average.
By headcount it is one of the larger campuses in Arizona, bigger than 95% of state schools at 1,539 students.
Its Resource Investment Index sits near the middle of the pack among 2,064 scored Arizona schools.
Against 77 statewide peers matched on enrollment and economic need, it ranks mid-pack at #40.
Its student body is led by White (58%) and Hispanic or Latino (34%) (diversity index 55/100).
On the academic-pipeline side it reports 18 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 342 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 51.5% 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.
Amphitheater Unified District (4406) also operates Canyon Del Oro High School (1,758 students) and Amphitheater High School (996 students) alongside Ironwood Ridge 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 Ironwood Ridge High School compares
Ironwood Ridge 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 | 21.4:1 | ▲ 26% | 17:1 | 15.7:1 |
| Free-lunch eligible | 12.0% | ▼ 75% | 48.3% | 51.7% |
| Enrollment | 1,539 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.4:1
Leaner classes than 12% of US schools, heavier class loads than most.
1,539
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
12.0%
free-lunch eligible
- 75% 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
21.4:1
students per teacher
- 26% above state mean
Top 83% in Arizona - lower ratio than 17% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
51.5%
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
$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
Counselors4.5 FTE
Per 342 students, the combined health-and-guidance staffing load for this school.
Discipline context
47
in-school suspensions + 63 out-of-school
Suspension rate: 3.1 per 100 students. Combined in-school and out-of-school rate: 7.1 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
White 57.6%
Hispanic or Latino 34.0%
Two or More 3.5%
Asian 3.2%
African American 1.2%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 57.6% of enrollment.
Student-body diversity index 55.0/100
Simpson diversity index - at 55.0, Ironwood Ridge 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 Ironwood Ridge 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 Ironwood Ridge High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Canyon Del Oro 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 Ironwood Ridge High School'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
- 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 (~1,539 students)
Similar student-teacher ratio (~21.4:1)
Next steps
Verify locally before acting on Ironwood Ridge High School's federal record.
- Compare Ironwood Ridge 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 Ironwood Ridge High School
How many students attend Ironwood Ridge High School?
Ironwood Ridge High School has 1,539 students enrolled. It is a high school in Oro Valley, AZ.
What is the student-teacher ratio at Ironwood Ridge High School?
The student-teacher ratio at Ironwood Ridge High School is 21.4:1, which is 26% higher than the Arizona average of 17:1 and 36% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Ironwood Ridge High School?
12.0% of students at Ironwood Ridge High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Ironwood Ridge High School?
The largest demographic group at Ironwood Ridge High School is White at 57.6% of enrollment, in Oro Valley, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.0/100.
What is the Resource Investment Index for Ironwood Ridge High School?
Ironwood Ridge High School has a Resource Investment Index of 41/100 (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 Ironwood Ridge High School rank among public schools in Oro Valley?
By Resource Investment Index, Ironwood Ridge High School ranks #6 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 Ironwood Ridge High School a good school?
Ironwood Ridge High School earns 41/100 on the Resource Investment Index, with class sizes larger than 83% 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 Ironwood Ridge High School, Amphitheater Unified District (4406) also operates Canyon Del Oro High School (1,758 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.