Best High Schools in Zip Code 83274

ZIP code 83274, serving the Shelley, Idaho area, contains two public high schools — Shelley Senior High School and Shelley Work Based Academy — both part of the Shelley Joint District and serving grades 9 through 12. Shelley Senior High School is the comprehensive school with 800 students and a student-teacher ratio of 21.9, while Shelley Work Based Academy is a small alternative school with just 48 students and a lower student-teacher ratio of 18.0. However, the two schools are fundamentally different: Shelley Senior High School has a full set of accountability data, while Shelley Work Based Academy has no reported test scores, graduation rates, absenteeism figures, or ranking data, making direct comparisons impossible.

Shelley Senior High School is the clear standout traditional school in the area. It improved from a 1-star rating (28th percentile) in 2023–2024 to a 2-star rating (40th percentile) in 2025–2026, showing upward momentum in statewide rankings. The school also boasts exceptionally low chronic absenteeism at just 3.9%, compared with 7.3% district-wide and 13.8% across Idaho. On the 2024–2025 all-grades ISAT, Shelley Senior High School posted 60.2% proficiency in English Language Arts, well above the state's 53.9%. However, math is a clear concern: only 25% of students were proficient in math in 2024–2025, far below the state average of 43.1%. Science sits near the middle at roughly 39–40%. The graduation rate of 82.5% matches district and state averages exactly.

Shelley Work Based Academy, by contrast, stands out for its specialized mission rather than test scores. Its 18.0 student-teacher ratio suggests potential for more individualized attention, and its work-based focus likely serves students seeking alternative pathways to graduation. About one-third (34.25%) of Shelley Senior High School students qualify for free or reduced lunch, providing useful context for test performance. The only per-student spending figure available is $7,047 from 2018–2019, too outdated for meaningful comparisons. Overall, parents will find one traditional high school making steady improvement with strong attendance and solid ELA scores, but facing real math challenges, alongside a small alternative academy whose effectiveness cannot be assessed from current data.