Summary:
The three schools in Vista San Gabriel Elementary (K–2), Wilsona Elementary (grades 3–5) and Challenger Middle (grades 6–8) serve 1,271 students in all. Chronic absenteeism is higher than the state rate at each school: 31% at Vista San Gabriel, 24% at Wilsona and 31% at Challenger, compared with 18% statewide in 2025–26. The most important concern is that reported proficiency is well below state results in every subject, with the widest gaps in Challenger’s English language arts (ELA) and math.
Wilsona Elementary has the higher all-grade ELA and math results among the two schools with reported scores: 22% and 20%, versus 15% and 5% at Challenger Middle. That is a 6-point difference in ELA and 15 points in math; Challenger is 1 point higher in science, at 14% versus 13%. Both schools are far below state results: Wilsona’s gaps are 28 points in ELA, 18 in math and 23 in science; Challenger’s are 34, 33 and 22 points, respectively. Within grades, Wilsona’s math proficiency falls from 33% in grade 3 to 11% in grade 5, while Challenger’s grade 7 ELA result of 23% is higher than its grade 6 result of 9%. Because the schools serve different grades, the all-grade results are descriptive rather than a like-for-like ranking.
Challenger Middle’s results changed unevenly from 2024–25 to 2025–26: ELA fell 5 points, while math rose 2 and science rose 4; its state gap widened by 5 points in ELA and narrowed by about 1 point in each of the other subjects. SchoolDigger lists all three schools at 957 of 968 in the district ranking (1st percentile, zero stars). Its school-ranking history shows Vista San Gabriel at the 12th percentile in 2023–24, Challenger moving from the 4th to 3rd percentile by 2025–26, and Wilsona at the 9th percentile in 2025–26. Student-teacher ratios range from 21.2:1 to 23.6:1. All three report free/reduced lunch eligible for 2024–25, from 85% at Vista to 87% at Wilsona—context about the schools, not an explanation for their results.
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