Schools in Zip Code 82839

ZIP code 82839 has three schools: two elementary schools serving kindergarten through grade 5 and one middle school serving grades 6–8. The results show a notably uneven picture: the two Tongue River schools are strong in the reported comparisons, while Slack Elementary’s reported grade 4 scores are below the state in all three tested subjects.

Tongue River Elementary stands out among the elementary results, exceeding the state in every reported grade and subject in 2025–2026. Its average across listed grades was 68.9% in ELA and 77.8% in math, compared with 56.5% and 61.6% for the state in those grades; its grade 4 science score was 72.7%, 16.5 points above the state. Tongue River Middle School also topped the state in every reported grade and subject, averaging 65.1% in ELA and 71.0% in math—5.7 and 16.4 points above the matching state averages. By contrast, Slack’s grade 4 scores were 50% in ELA, 62.5% in math and 50% in science, respectively 2.6, 0.1 and 6.2 points below the state; compared with Tongue River Elementary, it was lower by 15.9, 8.0 and 22.7 points.

Results at the Tongue River schools improved overall, though not in every grade: Tongue River Elementary’s average ELA score rose from 64.0% to 68.9% and its math average from 68.4% to 77.8% between 2024–2025 and 2025–2026. Tongue River Middle’s grade 8 science score rose 17.2 points, while its grade 7 ELA score fell 12.1 points; Tongue River Elementary’s grade 5 ELA score fell 12.5 points. SchoolDigger ranked Tongue River Elementary 19th of 148 state elementary schools (87th percentile), Tongue River Middle 13th of 76 middle schools (83rd percentile), and Slack 96th of 148 (35th percentile) in 2025–2026. Reported student–teacher ratios were 12.7 at Tongue River Elementary, 12.2 at Tongue River Middle and 14.5 at Slack; reported free/reduced-lunch eligibility was 46.7%, 23.3% and 12.0%, respectively, though the figures are from different school years and are context, not explanations.