Summary:
Crane Elementary District has two middle schools serving grades 6–8: Centennial Middle School and Crane Middle School. Both are below Arizona proficiency levels in every reported comparison. Across the schools, average all-grades proficiency is 29% in ELA and 20% in math, compared with 41% and 33% statewide; eighth-grade science averages 19%, versus 30% statewide. The clearest overall finding is that neither school reaches the state proficiency level in any of these reported comparisons.
Centennial stands out in ELA and math, while Crane Middle leads in science. Centennial’s all-grades ELA proficiency is 34%, 10 points above Crane Middle’s 24%; its math proficiency is 23%, 7 points higher than Crane Middle’s 16%. Centennial’s SchoolDigger ranking is also stronger: 342nd of 536 Arizona schools (36th percentile, 2 stars), compared with Crane Middle’s 446th (17th percentile, 1 star). The exception is eighth-grade science, where Crane Middle leads 21% to 17%. Centennial’s eighth-grade math result is a relative bright spot: 29%, just 1 point below the state’s 30%.
SchoolDigger’s ranking histories show the schools moving in opposite directions: from 2023–24 to 2025–26, Centennial gained 7 percentile points, from 29 to 36, while Crane Middle lost 7, from 24 to 17. Their enrollment and reported student-teacher ratios are similar in context, though Centennial is larger: 646 students and a 22.2 ratio, compared with 554 students and a 22.1 ratio at Crane Middle. The results do not establish that these differences explain achievement. Proficiency results cover just one year in ELA and math and a different year in science, so they cannot show achievement trends; free/reduced-lunch rates are unavailable.
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