Enrollment
2,658
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Glendale, AZ
Sandra Day O'connor High School
Federal NCES profile for Sandra Day O'connor High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040775002357
👥 S:T ratio 0
🌟 Gifted program 70
🎓 Counselors 11
📋 Attendance 26
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sandra Day O'connor High School earns 27/100 on the Resource Investment Index, with class sizes larger than 95% of Arizona schools. It is also one of the largest schools in Arizona.
- #4 of 6
- public schools in Glendale · Resource Index
- 27
- Resource Index · Lower
- 25.6:1
- large classes for Arizona
- 10.0%
- free-lunch eligible
Sandra Day O'connor High School has class sizes larger than 95% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Sandra Day O'connor High School ranks #4 of 6 public schools in Glendale, AZ.
School address
District: Deer Valley Unified District (4246) · Arizona
NCES ID 040775002357 Verify on NCES CCD record →
Teachers (FTE)
104.0
Federal CCD staff survey
Students per teacher
25.6:1
vs 17:1 Arizona avg
+51% vs state
Free-lunch eligible
10.0%
vs 48.3% Arizona avg
-79% vs state
Student-teacher ratio in context
How Sandra Day O'connor High School compares with Arizona and U.S. medians
What stands out at Sandra Day O'connor High School
Sandra Day O'connor High School is a lower-poverty, large combined-grade school in Glendale, Arizona, enrolling 2,658 students.
Class loads run heavy: 25.6:1 is larger than about 95% of Arizona schools and 51% above the 17:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 10.0% free-meal eligibility runs 79% below the Arizona average.
By headcount it is one of the larger campuses in Arizona, bigger than 99% of state schools at 2,658 students.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Against 41 statewide peers matched on enrollment and economic need, it ranks mid-pack at #23.
Its student body is led by White (69%) and Hispanic or Latino (15%) (diversity index 49/100).
Counselor access is stretched at roughly 443 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 29.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Deer Valley Unified District (4246) spends $9,561 per pupil, 27% below the Arizona average, a leaner-resourced district than most.
Deer Valley Unified District (4246) also operates Mountain Ridge High School (2,823 students) and Boulder Creek High School (2,221 students) alongside Sandra Day O'connor 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 Sandra Day O'connor High School compares
Sandra Day O'connor 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 | 25.6:1 | ▲ 51% | 17:1 | 15.7:1 |
| Free-lunch eligible | 10.0% | ▼ 79% | 48.3% | 51.7% |
| Enrollment | 2,658 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.6:1
Leaner classes than 4% of US schools, heavier class loads than most.
2,658
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
10.0%
free-lunch eligible
- 79% 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
25.6:1
students per teacher
- 51% above state mean
Top 95% in Arizona - lower ratio than 5% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
29.5%
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
$9,561
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
Counselors6.0 FTE
Per 443 students, the combined health-and-guidance staffing load for this school.
Discipline context
63
in-school suspensions + 45 out-of-school
Suspension rate: 2.4 per 100 students. Combined in-school and out-of-school rate: 4.1 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 69.2%
Hispanic or Latino 14.9%
Asian 8.5%
Two or More 4.2%
African American 2.6%
American Indian / Alaska Native 0.5%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 69.2% of enrollment.
Student-body diversity index 48.9/100
Simpson diversity index - at 48.9, Sandra Day O'connor High School is about as mixed as the Arizona school average of 47.2.
Programs
AP courses offered 21
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Deer Valley Unified District (4246), which includes Sandra Day O'connor High School.
$9,561
Per student
-27%
vs Arizona
Avg $13,145
-42%
vs U.S.
Avg $16,593
Revenue mix
Local 48.9%
State 38.6%
Federal 12.6%
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 Sandra Day O'connor High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mountain Ridge High School | Similar size | Similar economic need | Similar S:T ratio |
| Boulder Creek High School | Similar size | Similar economic need | Lower S:T ratio |
| Deer Valley High School | Smaller | Higher economic need | Lower S:T ratio |
| Barry Goldwater High School | Smaller | Higher economic need | Lower S:T ratio |
| Highland Lakes School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Sandra Day O'connor High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,823
- Students per teacher
- 25.7:1
- Resource Index
- 31/100
- Enrollment
- 2,221
- Students per teacher
- 22.4:1
- Resource Index
- 25/100
- Enrollment
- 1,707
- Students per teacher
- 12.3:1
- Resource Index
- 35/100
- Enrollment
- 1,602
- Students per teacher
- 19.5:1
- Resource Index
- 28/100
- Enrollment
- 1,091
- Students per teacher
- 17:1
- Resource Index
- 30/100
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 (~2,658 students)
Similar student-teacher ratio (~25.6:1)
Next steps
Verify locally before acting on Sandra Day O'connor High School's federal record.
- Compare Sandra Day O'connor High School against another school. Compare schools
- Deer Valley Unified District (4246)'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 Sandra Day O'connor High School
How many students attend Sandra Day O'connor High School?
Sandra Day O'connor High School has 2,658 students enrolled. It is a public school in Glendale, AZ.
What is the student-teacher ratio at Sandra Day O'connor High School?
The student-teacher ratio at Sandra Day O'connor High School is 25.6:1, which is 51% higher than the Arizona average of 17:1 and 63% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sandra Day O'connor High School?
10.0% of students at Sandra Day O'connor High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Sandra Day O'connor High School?
The largest demographic group at Sandra Day O'connor High School is White at 69.2% of enrollment, in Glendale, AZ.
What is the Resource Investment Index for Sandra Day O'connor High School?
Sandra Day O'connor High School has a Resource Investment Index of 27/100 (lower reported resources relative to schools nationally) based on 4 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 Sandra Day O'connor High School rank among public schools in Glendale?
By Resource Investment Index, Sandra Day O'connor High School ranks #4 of 6 public schools in Glendale, 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 Glendale on the city page.
Is Sandra Day O'connor High School a good school?
Sandra Day O'connor High School earns 27/100 on the Resource Investment Index, with class sizes larger than 95% 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 Deer Valley Unified District (4246)?
Besides Sandra Day O'connor High School, Deer Valley Unified District (4246) also operates Mountain Ridge High School (2,823 students), Boulder Creek High School (2,221 students), and Deer Valley High School (1,707 students). See the Deer Valley Unified District (4246) 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.