Summary:
ZIP code 57638 has three schools in Lemmon serving kindergarten through grade 12: Lemmon Elementary - 02 (K–5), Lemmon Junior High - 06 (6–8), and Lemmon High School - 01 (9–12). Together, they enroll 289 students. The clearest concern is junior-high math: its 2025–2026 all-grades proficiency was 32%, 12 percentage points below the 44% state rate.
The elementary and high school stand out, while junior-high math is the main weak spot. The elementary reached 62% in all-grades ELA and 51% in math, respectively 12 and 7 points above state rates; its 5th-grade science result was 70%, 28 points above the state. The high school’s 11th-grade results were also above state rates: 67% in ELA, 53% in math, and 53% in science, with advantages of 18, 19, and 8 points. Its graduation rate was 100%, compared with 88% statewide. At the junior high, 6th- and 8th-grade math were 22% and 27%, respectively 20 and 16 points below state rates, though 7th-grade math was a bright spot at 57%, 13 points above the state.
Recent results show the elementary gaining ground in ELA while junior-high performance weakened. From 2024–2025 to 2025–2026, elementary ELA rose 6 points, while its math slipped 1 point; junior-high ELA fell 10 points and math fell 9. SchoolDigger’s 2025–2026 statewide rankings put the high school at the 89th percentile, the elementary at the 69th, and the junior high at the 32nd; since 2023–2024, the first two rose 27 and 13 percentile points, while the junior high fell 5. Student–teacher ratios are 10.9 at both secondary schools and 12.6 at the elementary. For context, 2024–2025 free/reduced lunch eligible shares were 33% at the high school, 36% at the junior high, and 48% at the elementary; these figures describe school context, not a cause of results. Scores across schools are not fully comparable because they serve different grades and the high school reports a different assessment.
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