Summary:
The three high schools in Natrona County School District #1, in Natrona County, Wyoming, serve grades 9–12 and range from 206 students at Roosevelt High School to 2,002 at Kelly Walsh High School. The main takeaway for families is that outcomes vary substantially by school, with Roosevelt’s reported tenth-grade results and graduation rate far below those of the other two schools.
Kelly Walsh stands out in several tested subjects: in 2025–26, it led grade 9 ELA with 58.9% proficiency and grade 9 math with 43.2%, ahead of Natrona County High School by 6.1 and 4.1 percentage points, respectively. Kelly Walsh also led grade 10 ELA, 56.4% to 44.9%. Natrona County’s strength was grade 10 science, where its 56.7% was 7.1 points above Kelly Walsh and 3.4 above the state. At the other end, Roosevelt reported 8.7% in grade 10 science and under 5% in grade 10 ELA and math. Graduation rates show a similar contrast: Kelly Walsh’s 84.3% was above the 83.1% state rate, Natrona County’s 81.0% was below it, and Roosevelt’s 44.4% was 38.7 points below.
Recent changes were mixed: Natrona County improved across all five comparable measures from 2024–25 to 2025–26, including a 7.6-point gain in grade 10 math; Kelly Walsh gained 7.3 points in grade 9 math but slipped slightly in its other four measures. Roosevelt declined in each comparable tenth-grade subject, with ELA falling from 33.3% to under 5%. SchoolDigger rankings improved for Natrona County, moving from 58th of 80 schools in 2023–24 to 50th of 81 in 2025–26. In 2024–25, Roosevelt had a lower student-teacher ratio than the larger schools (11.2 versus 15.6–15.7) and a higher free/reduced-lunch measure (76.7% versus 37.7%–41.2%); these are contextual differences, not explanations for results. Roosevelt’s grade 9 results are suppressed, and its grade 10 ELA and math results are reported only as under 5%.
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