Summary:
Zip code 57638 has one high school, Lemmon High School - 01, serving grades 9–12; it enrolled 97 students in 2024–2025. With no other high schools in the area list, families have one local school to consider. The most important result is that its latest 11th-grade scores were above the state in all three subjects.
There is no local top or bottom school to compare, but the school’s 2025–2026 SD ACT results stand out against state figures. In English Language Arts, 67% met the standard, compared with 48% statewide, an 18-point advantage; in mathematics, it was 53% versus 34%, a 19-point advantage. Science was 53% versus 45%, an 8-point advantage. The school also reported a 100% graduation rate, compared with 88% statewide, and a 0% dropout rate, versus 2% statewide.
The earlier results show a different subject pattern: in 2024–2025, the school was 11 points above the state in English Language Arts (75% versus 64%), 1 point below in mathematics (35% versus 36%), and 9 points below in science (40% versus 49%). The figures do not establish a like-for-like score trend because the assessment changed between years. SchoolDigger ranked the school 14th of 130 schools (89th percentile) and awarded it four stars in 2025–2026, up from 77th of 166 (54th percentile) in 2024–2025—a 35-point rise in percentile standing. For context, its 2024–2025 student-teacher ratio was 10.9, and 33% of students were free/reduced lunch eligible that year. These details provide context, not an explanation for results.
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