Glendale Union High School District (4285)
School District · Glendale, Arizona
Avg Rating
6.5
out of 10
Schools
11
11 high
Enrollment
16,407
Student-Teacher Ratio
23.5:1
Avg Rating
6.5
out of 10
Schools
11
11 high
Enrollment
16,407
Student-Teacher Ratio
23.5:1
Evaluating Glendale Union High School District (4285)?
A district shares budget, policy, and attendance zones across its schools — use this page to judge Glendale Union High School District (4285) as a whole, then compare how its individual schools differ.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Sunnyslope High School
Phoenix · High. Compare this profile against district averages, level fit, and attendance-zone reality below.
Thunderbird High School
Phoenix · High. Compare this profile against district averages, level fit, and attendance-zone reality below.
Greenway High School
Phoenix · High. Compare this profile against district averages, level fit, and attendance-zone reality below.
How this district compares
Arizona rank
#80 of 202
districts by avg. composite
Vs. state average
+0.2
above Arizona avg
Per-pupil spending
$10,875
$301 vs Arizona median
District size
16,407 students
Much larger than Arizona median
The short answer
Glendale Union High School District (4285) ranks #80 of 202 Arizona districts by overall school rating. Glendale Union High School District (4285)'s schools with real test data average 6.5/10 across 11 schools. Its top-rated schools are Sunnyslope High School (7.6/10), Thunderbird High School (7.6/10), and Greenway High School (7.1/10). Schools with estimated (proxy) scores are excluded from this ranking.
Top-Rated Schools in Glendale Union High School District (4285)
Ranked by MySchoolScout composite rating using only schools with real test data (11 of 11). "Value" = points above what student poverty predicts. Estimated (proxy) scores are excluded.
| # | School | Rating |
|---|---|---|
| 1 | Sunnyslope High School | 7.6 / 10 |
| 2 | Thunderbird High School | 7.6 / 10 |
| 3 | Greenway High School | 7.1 / 10 |
| 4 | Apollo High School | 6.9 / 10 |
| 5 | Independence High School | 6.9 / 10 |
| 6 | Washington High School | 6.8 / 10 |
| 7 | Moon Valley High School | 6.7 / 10 |
| 8 | Glendale High School | 6.1 / 10 |
| 9 | Cortez High School | 5.7 / 10 |
| 10 | Glendale Union Online | 5.0 / 10 |
See all 11 schools — including those with estimated data — in the full directory below. How we rate schools.
About Glendale Union High School District (4285)
Glendale Union High School District (4285) is a Glendale, Arizona school district serving 11 schools.The district educates 16,407 students with a student-teacher ratio of 23.5:1. District-level spending was $10,875 per student in fiscal year 2023 (NCES F-33).
With an average rating of 6.5/10, Glendale Union High School District (4285) demonstrates solid academic performance.
The highest-rated school in the district is Sunnyslope High School, which has a composite score of 7.6/10.
In standardized testing, Glendale Union High School District (4285) students show an average math proficiency of 49.7% and ELA proficiency of 52.6%.
The district includes 11 high schools.
District Map
Schools in Glendale Union High School District (4285), colored by MySchoolScout rank. Click a pin for details.
District Average Test Scores
Average proficiency across all schools in Glendale Union High School District (4285) with test data.
Schools in Glendale Union High School District (4285)
11 schoolsHigh Schools11
District Details
- State
- Arizona
- City
- Glendale
- Total Enrollment
- 16,407
- Teachers (FTE)
- 699
- District spending per student
- $10,875NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- Child poverty rate
- 16.1%Census SAIPE · 2024
- District directory year
- 2023
Frequently Asked Questions
How many schools are in Glendale Union High School District (4285)?
Glendale Union High School District (4285) has 11 schools in total — 11 high schools. You can explore each school's ratings and details on this page.
What is the average rating for Glendale Union High School District (4285)?
The average composite rating for Glendale Union High School District (4285) is 6.5/10. This score is calculated from the individual ratings of all schools with academic data in the district.
What is the district spending per student in Glendale Union High School District (4285)?
Glendale Union High School District (4285)'s district-level spending was $10,875 per student in fiscal year 2023, according to NCES F-33. This is district context, not an individual-school expense.
What is the student-teacher ratio in Glendale Union High School District (4285)?
The average student-teacher ratio in Glendale Union High School District (4285) is 23.5:1.
What is the top-rated school in Glendale Union High School District (4285)?
Sunnyslope High School is the highest-rated school in Glendale Union High School District (4285) with a composite score of 7.6/10.
What are the test scores in Glendale Union High School District (4285)?
Across schools in Glendale Union High School District (4285) with test data, the average math proficiency is 49.7% and the average ELA (reading/writing) proficiency is 52.6%. These figures represent the percentage of students meeting or exceeding grade-level standards.
How does Glendale Union High School District (4285) compare to other districts in Arizona?
Glendale Union High School District (4285) has an average school rating of 6.5/10 across 11 schools. Families can compare this to other districts in Arizona by visiting individual district pages. Factors like school size, available programs, and community demographics also play a role in choosing the right fit.
How does MySchoolScout rate schools?
MySchoolScout ratings blend student growth, poverty-adjusted academic performance, and learning environment — plus college readiness for high schools. Weights vary by school level, and equity data is shown for context without being factored into the score. Learn more about our rating system on our methodology page.
District Averages
- Overall Rating
- 6.5/10
- Math Proficiency
- 49.7%
- ELA Proficiency
- 52.6%
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateOther School Districts in AZ
Compare Glendale Union High School District (4285) with neighboring districts in the state.
- Tucson Unified District (4403) (90)
- Mesa Unified District (4235) (78)
- West-mec - Western Maricopa Education Center (80923) (59)
- Pima County Jted (89380) (55)
- East Valley Institute of Technology (4516) (50)
- Paradise Valley Unified District (4241) (45)
- Chandler Unified District #80 (4242) (44)
- Peoria Unified School District (4237) (44)
- Deer Valley Unified District (4246) (41)
- Gilbert Unified District (4239) (38)
- Washington Elementary School District (4260) (33)
- Scottsdale Unified District (4240) (30)
- Kyrene Elementary District (4267) (26)
- Dysart Unified District (4243) (25)
- Cartwright Elementary District (4282) (23)
- Tempe School District (4258) (23)
- Vail Unified District (4413) (23)
- Amphitheater Unified District (4406) (22)
- Sunnyside Unified District (4407) (22)
- Marana Unified District (4404) (20)
- Phoenix Union High School District (4286) (20)
- Roosevelt Elementary District (4279) (20)
- Arizona State Schools for the Deaf and the Blind (6393) (19)
- Litchfield Elementary District (4281) (19)
Data from NCES Common Core of Data, Arizona Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.
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