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 school year, there are 11 public schools serving 16,040 students in Glendale Union High School District (4285). This district's average testing ranking is 7/10, which is in the top 50% of public schools in Arizona.
Public Schools in Glendale Union High School District (4285) have an average math proficiency score of 33% (versus the Arizona public school average of 34%), and reading proficiency score of 45% (versus the 41% statewide average).
Minority enrollment is 80% of the student body (majority Hispanic), which is more than the Arizona public school average of 67% (majority Hispanic).
Overview
This School District
This State (AZ)
# Schools
11 Schools
2,487 Schools
# Students
16,040 Students
1,111,369 Students
# Teachers
723 Teachers
62,202 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 602 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%)
Math Test Scores (% Proficient)
34%
34%
Reading/Language Arts Test Scores (% Proficient)
46%
40%
Science Test Scores (% Proficient)
18%
24%
Graduation Rate
81%
77%
Students by Ethnicity:
Diversity Score
0.56
0.66
% American Indian
2%
5%
% Asian
4%
3%
% Hispanic
63%
49%
% Black
8%
6%
% White
20%
33%
% Hawaiian
n/a
n/a
% Two or more races
3%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $11,850 is higher than the state median of $11,551. The school district revenue/student has grown by 7% over four school years.
The school district's spending/student of $11,254 is less than the state median of $11,452. The school district spending/student has grown by 8% over four school years.
Total Revenue
$190 MM
$12,837 MM
Spending
$181 MM
$12,727 MM
Revenue / Student
$11,850
$11,551
Spending / Student
$11,254
$11,452
Best Glendale Union High School District (4285) Public Schools (2026)
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%
Frequently Asked Questions
How many schools belong to Glendale Union High School District (4285)?
Glendale Union High School District (4285) manages 11 public schools serving 16,040 students.
What is the rank of Glendale Union High School District (4285)?
Glendale Union High School District (4285) is ranked #217 out of 602 school districts in Arizona (top 50%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Arizona school districts for: Largest student body (number of students) (Top 1%)
What is the racial composition of students in Glendale Union High School District (4285)?
63% of Glendale Union High School District (4285) students are Hispanic, 20% of students are White, 8% of students are Black, 4% of students are Asian, 3% of students are Two or more races, and 2% of students are American Indian.
What is the student/teacher ratio of Glendale Union High School District (4285)?
Glendale Union High School District (4285) has a student/teacher ratio of 22:1, which is higher than the Arizona state average of 17:1.
What is Glendale Union High School District (4285)'s spending/student ratio?
The school district's spending/student of $11,254 is less than the state median of $11,452. The school district spending/student has grown by 8% over four school years.
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