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21 schools in Phoenix Union High School District (4286)

Arizona · 25,800 students · 2 cities

Phoenix Union High School District (4286) runs 21 public K-12 schools per the latest NCES data, with combined enrollment near 25,800 and an average school size of 1229.

4-year change in Phoenix Union High School District (4286)

SY 2020-21 vs SY 2024-25
Total enrollment
25,800
-1,237 (-5%) vs SY 2020-21
School count
20
+2 (+11%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages

How Phoenix Union High School District (4286) ranks

Among districts
MeasureThis districtIn ArizonaIn the US
Enrollment
ranked largest first
25,800#8 of 156#273 of 9,234
Number of schools
ranked most first
20#17 of 156N/A
Students per teacher
ranked fewest first
19.1:1#102 of 153#8,152 of 9,044
Diversity index
ranked most diverse first
33.3%#101 of 123#4,540 of 6,853
Districts need at least 2 schools and 500 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.

Inside Phoenix Union High School District (4286)

Since 2017-18, the 17 district schools that reported both years went from 27,148 to 25,578 students (down 6%) and from 1,527 to 1,311 full-time teachers (down 14%), as of 2024-25.

Proficient is the average share of students meeting the state standard across each school's state tests in 2023-24 and 2024-25; schools with fewer than 100 students and schools serving specialized populations are left out. Staffing figures come from the NCES Common Core of Data and count only schools that reported students and teachers in both years.

About Phoenix Union High School District (4286)

As a sparse district in Arizona, Phoenix Union High School District (4286) enrolls 25,800 students across 21 schools.

On a per-school basis, Phoenix Union High School District (4286) runs about 1,229 students per school, 142% higher than the state mean of roughly 508.

Over the past 4-year window. Combined enrollment now sits at 25,800 students, declined 5% from the 27,037 reported in SY 2020-21. The school count climbed from 18 to 20 across the same 4-year window.

In the discussion threads here, the community for Phoenix Union High School District (4286) discusses open enrollment windows, redistricting talk, and busing logistics. Posts come from current and former families, staff, and alumni.

Frequently asked questions

How many schools are in Phoenix Union High School District (4286)?
Phoenix Union High School District (4286) operates 21 public K-12 schools in Arizona, serving approximately 25,800 students.
What is the mix of elementary, middle, and high schools in Phoenix Union High School District (4286)?
Phoenix Union High School District (4286) includes 21 high schools.
What is the largest school in Phoenix Union High School District (4286)?
Trevor Browne High School is the largest public school in Phoenix Union High School District (4286) by enrollment, with approximately 2,850 students.
What grade levels does Phoenix Union High School District (4286) serve?
Phoenix Union High School District (4286) serves students from grade 9 through grade 12 across 21 schools.
What cities does Phoenix Union High School District (4286) serve?
Phoenix Union High School District (4286) operates schools in Phoenix, Laveen across Arizona.