Summary:
Zip code 85550 has one middle school, San Carlos Middle School, serving grades 6–8, with 295 students and a student–teacher ratio of 14.7. Its 2025–26 results show low proficiency in both tested subjects: 7% in English language arts (ELA), compared with 41% statewide, and 6% in mathematics, compared with 33% statewide. The most important finding is that proficiency is substantially below the state level in both ELA and mathematics.
There is no meaningful local top-versus-bottom comparison because San Carlos Middle School is the only school in the list; it is both the highest- and lowest-scoring school by default. Compared with the state, its ELA result is 34 percentage points lower and its mathematics result is 27 points lower. Eighth-grade mathematics proficiency was 13%, versus 30% statewide for eighth grade, a 17-point gap. Compared with the district, the school’s all-grade ELA result matches at 7%, while its 6% mathematics result is 3 points lower than the district’s 9%. Mathematics is closer to the state result than ELA, but that relative difference does not mean proficiency is high.
SchoolDigger rankings place the school near the bottom statewide in each reported year: 812 of 832 schools (2nd percentile) in 2020–21, 605 of 605 in 2021–22, and 854 of 854 in 2022–23; it received 0 stars in all three years. These rankings signal consistently low relative standing, but they do not show whether test scores improved or declined. The student–teacher ratio is 14.7, and the provided data do not give a 2024–25 free/reduced-lunch figure. Because this is the only school listed and test scores are available for just 2025–26, the data cannot show how it compares with similar nearby schools or how its scores have changed over time.
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