Summary:
Gladstone High School is the only public high school serving Gladstone School District 115 in Gladstone, Oregon, teaching grades 9–12 to 559 students. Because it is the district's sole high school, there are no side-by-side comparisons with other local high schools; the useful comparisons are between this school and its own past performance, its district, and the state. The school reports a 2024–25 student-teacher ratio of 20.5:1, per-student spending of $21,008, and 62.79% of students eligible for free or reduced lunch — a high-need population served with substantial resources.
The clearest good news is momentum. Gladstone High School's statewide rank improved from 175 of 270 in 2024–25 to 123 of 271 in 2025–26 — a 52-position jump that lifted it from the 35th to the 55th percentile and raised its star rating from 2 to 3. Science is its strongest subject: 38.5% of 11th graders met proficiency, above the state's 33.8%, and the all-grade figure of 38.5% also beat the district's 30.7% and the state's 30.6%. The 2024–25 graduation rate of 83.8% matches the district and edges past the state's 83.0%.
Two areas need attention. Mathematics proficiency at 11th grade was 20.8%, below the state's 22.9% and below the district's all-grade 24.7% — roughly only 1 in 5 students met the standard. Chronic absenteeism was 36.8%, higher than both the district's 31.3% and the state's 33.5%, meaning more than one in three students missed significant school time. Eleventh-grade ELA came in at 42.2% versus the state's 46%, though the school's all-grade 42.2% topped the district's 38.9%. Overall, families can expect strong science instruction and improving statewide standing, with attendance and math as the priorities to watch.
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