Summary
Sunburst School is a PK–6 elementary school in Glendale, Arizona, with 556 students, in the Washington Elementary School District. Its latest all-grade results are below Arizona’s proficiency rates in both English Language Arts (ELA) and math, though above district averages. The clearest concern is math in the upper grades: Sunburst’s fifth-grade proficiency was 24% versus 38% statewide, and its sixth-grade result was 18% versus 30% statewide.
Sunburst’s ELA results are close to the nearby-school average, while math is somewhat weaker locally. All-grade ELA proficiency was 35%, almost matching the nearby average of 36%; it was 5 points above the district’s 30% but 6 points below Arizona’s 41%. Math proficiency was 26%, 2 points below the nearby average of 28% and 1 point above the district’s 25%, but 7 points below the state’s 33%. There are brighter grade-level results: third-grade ELA was 42%, 3 points above the state and the second-highest reported result among nearby schools with a figure. In contrast, fourth-grade ELA was 33%, tied for the lowest among nearby schools with reported results.
Recent academic and ranking trends offer mixed context. Fifth-grade science proficiency fell from 35% in 2022–23 to 30% in 2024–25, moving from 1 point above the state to 4 points below it. SchoolDigger placed Sunburst in the state’s 31st percentile with 2 stars in 2025–26; among nearby schools with a current percentile, only Tumbleweed Elementary School ranked lower, at the 28th percentile. Sunburst’s overall percentile has been nearly flat over the last three years, at 30, 32 and 31, after standing at 50 in 2022–23. Its student–teacher ratio was 18.8 in 2024–25, higher than the 10.4–16.9 range at nearby schools with reported data. SchoolDigger’s statewide ranking for how well Sunburst served White students was at the 3rd percentile in 2025–26, compared with the school’s 31st-percentile overall standing; for African American students, it was at the 9th percentile in 2022–23, versus 50th overall that year. The reported 2022–23 free/reduced-lunch rate was 66%, but comparable nearby-school rates were not provided.
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