Top Rankings
Glendale Union High School District (4285) ranks among the top 20% of public school district in Arizona for:
Category
Attribute
Community Size
Largest student body (number of students) (Top 1%)
For the 2026-27 school year, there are 11 public high schools serving 16,040 students in Glendale Union High School District (4285). This district's average high testing ranking is 7/10, which is in the top 50% of public high schools in Arizona.
Public High Schools in Glendale Union High School District (4285) have an average math proficiency score of 33% (versus the Arizona public high school average of 35%), and reading proficiency score of 45% (versus the 45% statewide average).
Public High School in Glendale Union High School District (4285) have a Graduation Rate of 81%, which is more than the Arizona average of 78%.
The school with highest graduation rate is Sunnyslope High School, with 93% graduation rate. Read more about public school graduation rate statistics in Arizona or national school graduation rate statistics.
Minority enrollment is 80% of the student body (majority Hispanic), which is more than the Arizona public high school average of 65% (majority Hispanic).
Overview
This School District
This State (AZ)
# Schools
11 Schools
957 Schools
# Students
16,040 Students
439,207 Students
# Teachers
723 Teachers
22,992 Teachers
Student-Teacher Ratio
22:1
22:1
Student By Grade
District Rank
Glendale Union High School District (4285), which is ranked within the top 50% of all 599 school districts in Arizona (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 81% has decreased from 89% over five school years.
Overall District Rank
#202 out of 618 school districts
(Top 50%)
(Top 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
34%
34%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
46%
40%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
18%
24%
Graduation Rate
81%
77.8%
Showing 2014–2023. Full 13-year historical data available below ↓
Chronically Absent Students
(2022-23)44.3%
41.2%
Students by Ethnicity:
Diversity Score
0.56
0.66
Showing 2014–2023. Full 36-year historical data available below ↓
% American Indian
2%
5%
Showing 2014–2023. Full 32-year historical data available below ↓
% Asian
4%
4%
Showing 2014–2023. Full 36-year historical data available below ↓
% Hispanic
63%
46%
Showing 2014–2023. Full 36-year historical data available below ↓
% Black
8%
6%
Showing 2014–2023. Full 32-year historical data available below ↓
% White
20%
35%
Showing 2014–2023. Full 36-year historical data available below ↓
% Hawaiian
n/a
n/a
% Two or more races
3%
4%
Showing 2014–2023. Full 11-year historical data available below ↓
All Ethnic Groups
District Revenue and Spending
The revenue/student of $14,580 is higher than the state median of $14,457. The school district revenue/student has grown by 15% over four school years.
The school district's spending/student of $15,977 is higher than the state median of $13,869. The school district spending/student has grown by 17% over four school years.
Total Revenue
$234 MM
$16,030 MM
Showing 2014–2023. Full 34-year historical data available below ↓
Spending
$256 MM
$15,378 MM
Showing 2014–2023. Full 34-year historical data available below ↓
Revenue / Student
$14,580
$14,457
Showing 2014–2023. Full 34-year historical data available below ↓
Spending / Student
$15,977
$13,869
Showing 2014–2023. Full 34-year historical data available below ↓
Best Glendale Union High School District (4285) Public High Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sunnyslope High School
(Math: 56% | Reading: 65%)
Rank:
Rank:
9/
Top 20%10
35 W Dunlap Ave
Phoenix, AZ 85021
(623) 915-8760
Phoenix, AZ 85021
(623) 915-8760
Gr: 9-12 | 2,322 students Student-teacher ratio: 24:1 Minority enrollment: 68%
Rank: #22.
Thunderbird High School
(Math: 48% | Reading: 53%)
Rank:
Rank:
8/
Top 30%10
1750 W Thunderbird Rd
Phoenix, AZ 85023
(623) 915-8900
Phoenix, AZ 85023
(623) 915-8900
Gr: 9-12 | 1,592 students Student-teacher ratio: 24:1 Minority enrollment: 64%
Rank: #33.
Greenway High School
(Math: 34% | Reading: 53%)
Rank:
Rank:
8/
Top 30%10
3930 W Greenway Rd
Phoenix, AZ 85053
(623) 915-8500
Phoenix, AZ 85053
(623) 915-8500
Gr: 9-12 | 1,318 students Student-teacher ratio: 21:1 Minority enrollment: 62%
Rank: #44.
Moon Valley High School
(Math: 36% | Reading: 44%)
Rank:
Rank:
7/
Top 50%10
3625 W Cactus Rd
Phoenix, AZ 85029
(623) 915-8000
Phoenix, AZ 85029
(623) 915-8000
Gr: 9-12 | 1,471 students Student-teacher ratio: 20:1 Minority enrollment: 73%
Rank: #55.
Independence High School
(Math: 29% | Reading: 44%)
Rank:
Rank:
6/
Top 50%10
6602 N 75th Ave
Glendale, AZ 85303
(623) 435-6100
Glendale, AZ 85303
(623) 435-6100
Gr: 9-12 | 1,907 students Student-teacher ratio: 22:1 Minority enrollment: 92%
Rank: #66.
Apollo High School
(Math: 26% | Reading: 48%)
Rank:
Rank:
6/
Top 50%10
8045 N 47th Ave
Glendale, AZ 85302
(623) 435-6300
Glendale, AZ 85302
(623) 435-6300
Gr: 9-12 | 2,152 students Student-teacher ratio: 23:1 Minority enrollment: 90%
Rank: #77.
Washington High School
(Math: 28% | Reading: 43%)
Rank:
Rank:
6/
Top 50%10
2217 W Glendale Ave
Phoenix, AZ 85021
(623) 915-8400
Phoenix, AZ 85021
(623) 915-8400
Gr: 9-12 | 1,659 students Student-teacher ratio: 22:1 Minority enrollment: 90%
Rank: #88.
Cortez High School
(Math: 20-24% | Reading: 37%)
Rank:
Rank:
5/
Bottom 50%10
8828 N 31st Ave
Phoenix, AZ 85051
(623) 915-8200
Phoenix, AZ 85051
(623) 915-8200
Gr: 9-12 | 1,132 students Student-teacher ratio: 22:1 Minority enrollment: 88%
Rank: #99.
Glendale High School
(Math: 25% | Reading: 33%)
Rank:
Rank:
5/
Bottom 50%10
6216 W Glendale Ave
Glendale, AZ 85301
(623) 435-6200
Glendale, AZ 85301
(623) 435-6200
Gr: 9-12 | 1,734 students Student-teacher ratio: 21:1 Minority enrollment: 93%
Rank: #1010.
Glendale Union Online
(Math: 10-14% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
4530 W Northern Ave
Glendale, AZ 85301
(623) 435-7300
Glendale, AZ 85301
(623) 435-7300
Gr: 9-12 | 285 students Minority enrollment: 79%
Rank: #1111.
Glendale Union High School District Online Learning Academy
Alternative School
(Math: ≤5% | Reading: 10-14%)
Rank:
Rank:
1/
Bottom 50%10
4530 W Northern Ave
Glendale, AZ 85301
(623) 435-7300
Glendale, AZ 85301
(623) 435-7300
Gr: 9-12 | 468 students Student-teacher ratio: 13:1 Minority enrollment: 84%
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