Serving 379 students in grades 9-12, Glendale Union Online ranks in the bottom 50% of all schools in Arizona for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 10-14% (which is lower than the Arizona state average of 34%). The percentage of students achieving proficiency in reading/language arts is 25-29% (which is lower than the Arizona state average of 40%).
Minority enrollment is 79% of the student body (majority Hispanic), which is higher than the Arizona state average of 66% (majority Hispanic).
Quick Facts (2025-26)
- Grades: 9-12
- Enrollment: 379 students
- Minority Enrollment: 79%
- Graduation Rate: 20% (Btm 50% in AZ)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 10-14% (Btm 50%)
- Reading Proficiency: 25-29% (Btm 50%)
- Science Proficiency: 10-14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), AZ Dept. of Education
School Overview
Glendale Union Online's student population of 379 students has grown by 264% over five school years.
Grades Offered
Grades 9-12
(Exclusively virtual)
(Exclusively virtual)
Total Students
379 students
Gender %
Total Classroom Teachers (20-21)
16 teachers
School Rankings
Glendale Union Online ranks within the bottom 50% of all 1,921 schools in Arizona (based off of combined math and reading proficiency testing data).
The diversity score of Glendale Union Online is 0.57, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1440 out of 1921 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
10-14%
34%
Reading/Language Arts Test Scores (% Proficient)
25-29%
40%
Science Test Scores (% Proficient)
10-14%
24%
Student-Teacher Ratio
n/a
17:1
American Indian
4%
5%
Asian
2%
3%
Hispanic
62%
48%
Black
9%
6%
White
21%
34%
Hawaiian
n/a
n/a
Two or more races
2%
4%
All Ethnic Groups
Graduation Rate
20%
77%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), AZ Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Glendale Union Online's ranking?
Glendale Union Online is ranked #1440 out of 1,921 schools, which ranks it among the bottom 50% of public schools in Arizona.
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 34% AZ state average), while 25-29% of students have achieved reading proficiency (compared to the 40% AZ state average).
What is the graduation rate of Glendale Union Online?
The graduation rate of Glendale Union Online is 20%, which is lower than the Arizona state average of 77%.
How many students attend Glendale Union Online?
379 students attend Glendale Union Online.
What is the racial composition of the student body?
62% of Glendale Union Online students are Hispanic, 21% of students are White, 9% of students are Black, 4% of students are American Indian, 2% of students are Asian, and 2% of students are Two or more races.
What grades does Glendale Union Online offer ?
Glendale Union Online offers enrollment in grades 9-12 (Exclusively virtual).
What school district is Glendale Union Online part of?
Glendale Union Online is part of Glendale Union High School District (4285).
School Reviews
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