Best Public Schools in Zip Code 86504

Five schools in the Window Rock Unified District serve elementary, middle and high school grades in zip code 86504. The clearest overall pattern is that most reported proficiency results fall below state results: the four schools with reported all-grades ELA results outside Dine Bi'Olta average 24%, 17 percentage points below the 41% state result, while reported math results average 20%, 14 points below the 33% state result. The most important exception is Tsehootsooi Dine Bi'Olta, where all-grades ELA proficiency is 43%, 2 points above the state.

Dine Bi'Olta has the strongest reported all-grades ELA result: 43%, 17 points above the next-highest school, Tsehootsooi Intermediate Learning Center, at 26%. At the other end, Tsehootsooi Middle School has the lowest reported all-grades math result, 7%—26 points below the state and well below the 23%–24% reported at the other three schools. Intermediate’s sixth-grade math is a relative bright spot at 28%, just 2 points below the state. Window Rock High School also compares favorably on completion: its graduation rate is 90% versus 80% statewide, and its dropout rate is 3% versus 5%.

SchoolDigger’s rankings show different recent paths: Window Rock High rose from the 19th percentile in 2023–24 to the 33rd in 2025–26, while Middle School was at the 10th percentile, ranked 498 of 552 schools and received zero stars in 2024–25; Dine Bi'Olta rose from the 22nd to the 42nd percentile between 2017–18 and 2022–23. These rankings are not proficiency scores. Ratios range from 12.8 students per teacher at Dine Bi'Olta to 19.5 at Window Rock High; similar ratios do not guarantee similar results, as Intermediate’s ratio is 18.8 and Middle’s is 18.9. Schools cover different grade spans, and free/reduced-lunch rates are unavailable.