Summary
Sandstone Middle School is a public school in Hermiston, Oregon, serving about 609 students in grades 6 through 8 as part of Hermiston School District 8. In 2025–26 it ranked 180th of 371 Oregon middle schools — 51st percentile, 3 stars — placing it near the middle of the state. Its district ranks 55th of 141 districts (61st percentile, 3 stars). Sandstone has generally been a stable 3-star school in the mid-50s percentile range; its strongest recent year in this data was 2015–16 (73rd percentile, 4 stars), with a dip to 2 stars in 2022–23.
Academically, the school's clearest relative strength is science: 29.8% of students met the standard, above the district's 25.8% and just below the state's 30.6%, and 8th-grade science (29.8%) also outpaced district and state. Math is the biggest concern — 28.0% proficient versus 32.3% district and 32.9% state, with 7th-grade math at 24.9%. ELA results are uneven: 41.7% overall, but 6th grade (32.3%) trails both district and state, while 7th grade (48.5%) and 8th grade (44.2%) beat both. Compared with Armand Larive Middle School, the same-district peer, Sandstone has stronger ELA (41.7% vs 37.5%) and much stronger science (29.8% vs 19.7%), but weaker math (28.0% vs 34.6%) and larger classes (19.6 vs 16.6 students per teacher).
Chronic absenteeism has improved substantially, from 38.6% in 2022–23 to 27.6% in 2024–25 — better than the district (34.5%), the state (33.5%), Armand Larive (29.6%) and Irrigon Elementary School (29.9%), though Clara Brownell Middle School is lower at 21.2% despite far lower test scores. Sandstone spends $19,872 per student, close to Armand, less than Irrigon, and more than Clara Brownell, yet has the highest student-teacher ratio of the group. Effectiveness varies by student group: low-income students rank in the 73rd percentile (4 stars), while students in special education rank 13th percentile (1 star), down from 41st in 2023–24.
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