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 2025 school year, there are 11 public high schools serving 16,407 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 45% (versus the Arizona public high school average of 42%), 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 79%, which is more than the Arizona average of 77%.
The school with highest graduation rate is Greenway High School, with 91% 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
953 Schools
# Students
16,407 Students
441,181 Students
# Teachers
701 Teachers
15,905 Teachers
Student : Teacher Ratio
23:1
23:1
Student By Grade
District Rank
Glendale Union High School District (4285), which is ranked within the top 50% of all 607 school districts in Arizona (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 79% has decreased from 90% over five school years.
Overall District Rank
#200 out of 631 school districts
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
45%
35%
Reading/Language Arts Test Scores (% Proficient)
46%
40%
Science Test Scores (% Proficient)
18%
24%
Graduation Rate
79%
77%
Students by Ethnicity:
Diversity Score
0.56
0.66
% American Indian
2%
5%
% Asian
4%
4%
% Hispanic
63%
46%
% Black
8%
6%
% White
20%
35%
% Hawaiian
n/a
n/a
% Two or more races
3%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $11,585 is higher than the state median of $11,421. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $11,003 is less than the state median of $11,323. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$190 MM
$12,837 MM
Spending
$181 MM
$12,727 MM
Revenue / Student
$11,585
$11,421
Spending / Student
$11,003
$11,323
Best Glendale Union High School District (4285) Public High Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Sunnyslope High School
(Math: 63% | Reading: 65%)
Rank:
Rank:
10/
Top 10%10
35 W Dunlap Ave
Phoenix, AZ 85021
(623) 915-8760
Phoenix, AZ 85021
(623) 915-8760
Grades: 9-12
| 2,270 students
Rank: #22.
Thunderbird High School
(Math: 55% | Reading: 53%)
Rank:
Rank:
9/
Top 20%10
1750 W Thunderbird Rd
Phoenix, AZ 85023
(623) 915-8900
Phoenix, AZ 85023
(623) 915-8900
Grades: 9-12
| 1,547 students
Rank: #33.
Greenway High School
(Math: 50% | Reading: 53%)
Rank:
Rank:
8/
Top 30%10
3930 W Greenway Rd
Phoenix, AZ 85053
(623) 915-8500
Phoenix, AZ 85053
(623) 915-8500
Grades: 9-12
| 1,376 students
Rank: #44.
Apollo High School
(Math: 49% | Reading: 48%)
Rank:
Rank:
7/
Top 50%10
8045 N 47th Ave
Glendale, AZ 85302
(623) 435-6300
Glendale, AZ 85302
(623) 435-6300
Grades: 9-12
| 2,228 students
Rank: #55.
Moon Valley High School
(Math: 48% | Reading: 44%)
Rank:
Rank:
7/
Top 50%10
3625 W Cactus Rd
Phoenix, AZ 85029
(623) 915-8000
Phoenix, AZ 85029
(623) 915-8000
Grades: 9-12
| 1,468 students
Rank: #66.
Independence High School
(Math: 41% | Reading: 44%)
Rank:
Rank:
7/
Top 50%10
6602 N 75th Ave
Glendale, AZ 85303
(623) 435-6100
Glendale, AZ 85303
(623) 435-6100
Grades: 9-12
| 2,048 students
Rank: #77.
Washington High School
(Math: 41% | Reading: 43%)
Rank:
Rank:
7/
Top 50%10
2217 W Glendale Ave
Phoenix, AZ 85021
(623) 915-8400
Phoenix, AZ 85021
(623) 915-8400
Grades: 9-12
| 1,702 students
Rank: #88.
Cortez High School
(Math: 30% | Reading: 37%)
Rank:
Rank:
6/
Top 50%10
8828 N 31st Ave
Phoenix, AZ 85051
(623) 915-8200
Phoenix, AZ 85051
(623) 915-8200
Grades: 9-12
| 1,105 students
Rank: #99.
Glendale High School
(Math: 35% | Reading: 33%)
Rank:
Rank:
6/
Top 50%10
6216 W Glendale Ave
Glendale, AZ 85301
(623) 435-6200
Glendale, AZ 85301
(623) 435-6200
Grades: 9-12
| 1,813 students
Rank: #1010.
Glendale Union Online
(Math: 25-29% | Reading: 25-29%)
Rank:
Rank:
5/
Bottom 50%10
4530 W Northern Ave
Glendale, AZ 85301
(623) 435-7300
Glendale, AZ 85301
(623) 435-7300
Grades: 9-12
| 379 students
Rank: #1111.
Glendale Union High School District Online Learning Academy
Alternative School
(Math: 10-14% | 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
Grades: 9-12
| 471 students
Recent Articles

Parents’ Guide to Special Education
Special education law is not easy to decipher, with several regulations that govern special education services for disabled students. In this article, learn about the core components of the laws, rights, and individual education plans that can help create the best public school environment for your child.

Surveillance Cameras: Violation of Rights or Improved Security?
A school district in Virginia has given the green light to schools that want to install surveillance cameras in common areas like cafeterias and hallways. We’ll look at whether this is a violation of student privacy or the best way to keep order in schools.

Teachers in 19 States Allowed to Physically Punish Students
As of 2014, nineteen states still allow corporal punishment – spanking and paddling the most common choices – in their public schools. However, some argue that not only are these punishments physically harmful, they also are disproportionately administered to students of color. As a result, House democrats have taken up the issue in a new bill that would ban all forms of corporal punishment nationwide.