Summary:
High schools in ZIP code 85255 are represented by one listed school, Online School of Arizona, serving grades 9–12 with 45 students. The most important finding for families is that the school’s test proficiency results are suppressed for every listed subject and grade, so these data cannot show how its students are performing in English or math.
There is no top- or bottom-performing school to compare because this is the only school listed. As a historical reference, SchoolDigger ranked Online School of Arizona 156th out of 469 in 2022–2023, at the 67th percentile, with 3 stars. Its listed student-teacher ratio is 12.8, and no free/reduced-lunch rate is provided. These figures offer context for this school, but not a comparison with other local high schools.
The available figures do not establish a trend in academic performance: the SchoolDigger ranking is for one year, and no multi-year test results are available. The state’s 2025–2026 reference proficiency rates were higher in ELA than math—41% versus 33% across all grades, and 38% versus 31% in grade 11—but the school’s results are unavailable, so those differences do not describe its subject strengths. The listed graduation rate for the school was 20% in 2021–2022, compared with a state rate of 80% in 2024–2025; its dropout rate was 20% in 2023–2024, compared with 5% statewide in 2024–2025. Because those school and state figures are from different years, they should not be treated as current, like-for-like gaps.
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