High Schools in Centennial School District 28J

There is one high school in Centennial School District 28J — Centennial High School — a grades 9–12 school at 3505 SE 182nd Ave, Gresham, OR 97030-5028, with 1,731 students. The district is ranked 125th of 141 Oregon districts, about the 11th percentile, with a 1-star rating, while the school ranked 214th of 271 Oregon high schools in 2025–26, placing it in the 21st percentile with 1 star.

Compared with the district and state, academic results are low. All-grades ELA proficiency is 33.1% at the school, slightly above the district’s 31.1% but below the state’s 43.8%. Math is 16.1% at the school, below the district’s 19.8% and the state’s 32.9%. Science is 16.6% at the school, close to the district’s 16.8% but far below the state’s 30.6%. At 11th grade, the school’s scores match the district exactly: ELA 33.1%, math 16.1%, and science 16.6%, compared with state rates of 46.0%, 22.9%, and 33.8%. The identical all-grades and 11th-grade scores suggest the tested high-school population is grade 11 only.

Graduation and attendance are major concerns. The 2024–25 graduation rate is 70.6%, exactly the same as the district’s 70.6% but 12.4 points below the state’s 83.0%. Chronic absenteeism is 48.0%, well above the district’s 39.9% and the state’s 33.5%. About 89.77% of students are eligible for free/reduced lunch, and per-student spending is $17,975, with a student-teacher ratio of 26.7. Rankings have slipped slightly from 206th of 268 in 2023–24, to 207th of 270 in 2024–25, to 214th of 271 in 2025–26, and the school remains in the bottom quarter of Oregon high schools. The main relative bright spot is ELA proficiency being slightly above the district’s all-grades average, though it remains below the state.