Summary:
ZIP code 85361 has four listed schools: two serving prekindergarten through grade 8 and two high schools, with no middle schools. The clearest elementary-school difference is in grade 4 ELA, where Desert Oasis Elementary School has 56% of students proficient, compared with 29% at Nadaburg Elementary School—a 27-point gap.
Desert Oasis stands out among the elementary schools, while Nadaburg has lower results in every reported grade-and-subject comparison the two share. Desert Oasis’s all-grades ELA result is 41%, matching the state, and its math result is 25%, 8 points below; Nadaburg is 25% in ELA and 17% in math, 16 points below the state in both. At the high school level, Mountainside High School leads the three schools with reported all-grades results in ELA (44%, 3 points above the state) and math (31%, 2 points below). Its 11th-grade ELA is 44%, versus 38% statewide, and its graduation rate is 85%, 5 points above the state.
SchoolDigger ranking percentiles rose from 2023–24 to 2025–26 for the group overall, but the increase was concentrated at Mountainside: its percentile climbed from 33 to 54, while Desert Oasis rose from 36 to 41 and Nadaburg fell from 25 to 22. Grade-level results can help families distinguish between schools: Desert Oasis is above the state in grade 4 and grade 8 ELA, but both elementary schools are well below the state in grade 5 math (25% and 24%, versus 38%). Desert Oasis enrolls 753 students and has a 10.3 student–teacher ratio, compared with Nadaburg’s 502 students and 8.3 ratio; those characteristics describe a difference, not its cause. Nadaburg Online Virtual Academy has no test results in the supplied data, and some grade-level results are suppressed.
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