Summary:
Teton County School District #1 includes 10 schools—seven elementary, one middle and two high schools—serving students from elementary through high school in Teton County, Wyoming. The latest test results, for 2025–2026, show that elementary performance is generally above state results on average, but outcomes differ considerably among schools. The most consequential contrast is between the high schools: Jackson Hole High School scored above state results in all five reported comparisons, while Summit Innovations School scored below state results in all five.
Wilson Elementary is the clearest elementary standout: it led reported grade 3–5 ELA results, scoring 84.9%–90.9%, and reached 93.6% in grade 4 science, compared with 56.2% statewide. Colter Elementary also performed strongly, including 83.3% in grade 5 ELA versus 61.3% statewide. At the other end, Munger Mountain Elementary School was near or below state results in several comparisons; results at Jackson Elementary were mixed, including grade 5 math at 55.3% versus 61.0% statewide. At high school, Jackson Hole’s grade 10 ELA result was 62.1%, while Summit’s was under 20%—a gap greater than 42 percentage points. Jackson Hole Middle School also had mixed grade-level results, with grade 7 ELA 14.8 points above the state but grade 6 ELA 2.6 points below.
Recent changes varied by school and subject rather than showing a uniform upward trend: Jackson Hole High improved 7.5 percentage points in grade 10 ELA and 16.7 points in grade 10 science, while Colter’s grade 3 math result fell 30.9 points. SchoolDigger ranked Wilson 1st of 148 Wyoming elementary schools in 2025–2026, Colter 17th, Kelly Elementary 11th and Munger Mountain 69th; these rankings add context but are not test-score changes. Other school characteristics do not form a simple performance pattern: Wilson had 192 students and a student–teacher ratio of 11.8, while Summit’s ratio was 5.5 despite its lower test results. Among schools with the reported 2024–2025 free/reduced-lunch measure, Wilson was at 6.3% and Munger Mountain at 47.3%; these figures describe context, not a reason for performance differences. Small enrollments and suppressed results can make some comparisons less certain.
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