Summary:
Five schools in zip code 60545—two elementary, two middle and one high school—serve students from elementary through high school in Plano CUSD 88. Chronic absenteeism averages 17% across the schools, below the district’s 18% and the state’s 24%. The clearest overall finding is that all three schools with all-grades IAR results fell below state averages in both ELA and math, but the school with the strongest results differs by subject.
Plano Middle School leads in all-grades ELA at 52%, while Centennial Elementary School is lowest at 29%—a 23-point spread. Centennial leads in math at 32%, compared with 23% at Emily G Johns School; both remain below the state rate. Emily’s Grade 5 math is a particular low: 13% versus 36% statewide, a 24-point gap. Plano Middle’s Grade 8 science is a relative strength, at 51.5% versus 51.9% statewide. At Plano High School, Grade 11 ACT results are below state rates in all three subjects, though graduation is slightly higher than the state rate (90.3% versus 89.8%). P H Miller Elementary School has no test scores in the supplied data, so its results cannot be compared.
Recent trends favor Plano Middle’s improvement: from 2024–25 to 2025–26, its all-grades ELA rose 7 points and math rose 1; its Grade 8 science increased 15 points. Centennial’s ELA fell 8 points, though its math rose 3, while Emily G Johns’ ELA and math fell 3 points each. Plano High’s Grade 11 ACT scores improved, but Grade 9 and 10 PreACT results declined in several subjects. SchoolDigger rankings also fell from the 53rd to the 31st percentile for Plano High and from the 39th to the 30th for Plano Middle between 2023–24 and 2025–26. For context, all five schools report free/reduced lunch eligible for 2024–25, with rates from 50% to 57%; the four reported student-teacher ratios range from 12.2 to 14.5.
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