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Glendale Union High School District (4285) Schools
Glendale Union High School District (4285) is a public school district in Arizona, based in Maricopa County (Glendale). SchoolGrade grades 11 of its schools on actual versus projected test scores; every school below has its own page.
Glendale Union High School District (4285) on the map
District boundary from the NCES EDGE composite school district file. Each marker is a graded school; click it for its grade and scores.
SchoolGrade summary for Glendale Union High School District (4285)
10 of 11 schools in Glendale Union High School District (4285) carry a SchoolGrade (1 have no school-level proficiency results in our source data). Grade distribution:
B: 4C: 5D: 1
Best schools in Glendale Union High School District (4285)
Statewide rankings: all 304 high schools in Arizona · all 176 middle schools in Arizona · all 1092 elementary schools in Arizona
The ten highest SchoolGrades in the district. Grades reward actual test performance against the projection for each school's student context, so a B in a high-poverty school can outrank an A- elsewhere on impact.
- B+ Sunnyslope High School (High school, exceeds expectations)
- B Thunderbird High School (High school, exceeds expectations)
- B Greenway High School (High school, meets expectations)
- B- Independence High School (High school, meets expectations)
- C+ Moon Valley High School (High school, exceeds expectations)
- C+ Washington High School (High school, doesn't meet expectations)
- C Apollo High School (High school, meets expectations)
- C Cortez High School (High school, exceeds expectations)
- C- Glendale High School (High school, exceeds expectations)
- D- Glendale Union Online (High school, underperforms expectations)
Every school in Glendale Union High School District (4285)
High schools (10)
- C Apollo High School, Glendale
- C Cortez High School, Phoenix
- C- Glendale High School, Glendale
- Glendale Union High School District Online Learning Academy, Glendale
- B Greenway High School, Phoenix
- B- Independence High School, Glendale
- C+ Moon Valley High School, Phoenix
- B+ Sunnyslope High School, Phoenix
- B Thunderbird High School, Phoenix
- C+ Washington High School, Phoenix
Other schools and academies (1)
- D- Glendale Union Online, Glendale
Where Glendale Union High School District (4285) schools are
About this district
- State: Best schools in Arizona
- County: Maricopa County
- Type: regular local school district
- Setting: large city (NCES locale of the district office)
- Enrollment: 16,407 students with 699 full-time-equivalent teachers and 1,600 total staff FTE (NCES CCD, 2023-24)
- NCES district ID: 0403450
- Grades are the 2025-26 SchoolGrade model: each school's actual proficiency against the level projected for its student context. How SchoolGrade works
Nearby school districts
- Washington Elementary School District (4260) (32 schools, 2 mi)
- Glendale Elementary District (4271) (14 schools, 4 mi)
- Alhambra Elementary District (4280) (17 schools, 5 mi)
- Madison Elementary District (4270) (8 schools, 6 mi)
- Osborn Elementary District (4262) (6 schools, 6 mi)
- Cartwright Elementary District (4282) (23 schools, 7 mi)
- Isaac Elementary District (4259) (12 schools, 7 mi)
- Creighton Elementary District (4263) (10 schools, 9 mi)
Questions about Glendale Union High School District (4285)
How many schools are in Glendale Union High School District (4285)?
SchoolGrade grades 11 public schools in Glendale Union High School District (4285), across 2 cities and towns. Every one of them is listed on this page with a link to its own report.
Which cities does Glendale Union High School District (4285) serve?
The largest by graded schools: Phoenix, Glendale.
How good are the schools in Glendale Union High School District (4285)?
Across the 10 graded schools, the average SchoolGrade is C+, with 30.6% of tested students meeting the state bar against a projected 29.6%. 80% of schools meet or exceed the expectation for their student context.
How many students attend Glendale Union High School District (4285)?
16,407 students were enrolled in Glendale Union High School District (4285) in the 2023-24 school year, about 23.5 students per full-time teacher (NCES Common Core of Data).
Where is Glendale Union High School District (4285)?
Glendale Union High School District (4285) is in Arizona, based in Maricopa County, with its district office in Glendale. Its boundary covers about 59.4 sq mi.