Summary
Chester Middle School - 03 serves 67 students in grades 6–8 in Chester, South Dakota, and its results can be compared with nine nearby schools. The school’s clearest concern is eighth-grade science: 26% were proficient in 2025–2026, 14 points below the state and the second-lowest result among the eight nearby schools with reported scores.
The school is strongest in ELA, where 62% were proficient—13 points above the state, 23 above the district, and third-highest among the ten schools compared; the nearby-school average was 54%. Math was also above the state and district, at 49% versus 44% and 30%, respectively, but ranked fifth among the ten schools, near the nearby average of 44%. The science result was below the state’s 41% but slightly above the district’s 24%, compared with a nearby-school average of 47%. The concern is concentrated in science, not across all eighth-grade subjects: eighth-grade ELA and math were both above state results.
ELA and math have increased overall since 2022–2023, by 6 and 4 points, respectively, though results varied from year to year. Science is less reassuring: after reaching 42% in 2024–2025, it fell to 26% in 2025–2026, a drop of 15 points, while the state result fell 2 points. SchoolDigger placed the school at the 64th percentile with 3 stars in 2025–2026, fifth among the ten schools, down from the 78th percentile the previous year. Its student-teacher ratio was 11.2 in 2024–2025, below the nearby average of about 13; 19% were free/reduced lunch eligible that year, compared with a nearby average of 25%. SchoolDigger’s Female Students measure was at the 89th percentile, 25 points above the school overall, while its Male Students measure rose from the 32nd percentile in 2023–2024 to the 76th in 2025–2026.
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