Summary:
The Academy of Mathematics and Science South Inc. includes six Arizona schools serving kindergarten through grade 8. In 2025–26, the schools averaged 32% proficiency in all-grades ELA and 27% in math, below state averages of 41% and 33%; in 2024–25, their reported science averages were closer to or above state results. The clearest overall standout is Academy of Math and Science Peoria Advanced, the only school above the state in both all-grades ELA and math.
Peoria Advanced leads the group overall, with 44% proficient in ELA and 41% in math—12 and 14 points above the six-school averages, and 3 and 8 points above state results. It also has the highest reported science results: 49% in grade 5 and 60% in grade 8. At the other end, Desert Sky has the lowest all-grades ELA result, 25%, while South Mountain has the lowest math result, 19%. The top-to-bottom spread is 19 points in ELA and 22 in math. Some grade-level results complicate the overall picture: Avondale has 50% eighth-grade ELA proficiency, 11 points above state, despite below-state all-grades results; Academy of Mathematics and Science South leads the group in fifth-grade math at 45%.
SchoolDigger’s average statewide percentile for these schools declined from 32 in 2023–24 to 29 in 2025–26, though paths differed: Glendale rose 10 percentile points, while Desert Sky fell 18 and South Mountain fell 6. In the latest rankings, Peoria Advanced is highest in the group at rank 395 of 900 (56th percentile), and South Mountain is lowest at rank 825 (8th percentile). School characteristics also differ: the student–teacher ratio is 16.1 at Glendale, 22.8 at Peoria Advanced, and 24.4 at Avondale, but these figures alone do not explain achievement differences. Test results cover only one year per subject, eighth-grade science results are reported for five schools, and free/reduced-lunch figures are unavailable.
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