Riverdale High School

As a very small secondary school in Portland, Oregon, Riverdale High School hosts 159 students from grades 9 through 12, part of Riverdale SD 51J. Compared to the state average of about 630 students per school, that is 75% leaner than typical.

Riverdale SD 51J comprises 2 schools with combined enrollment of 565 students; Riverdale High School is among them.

Demographically, Riverdale High School logs that the largest single group is White, at 78% of enrollment. The remainder comes out to 11% multiracial, 8% Hispanic, 3% Asian. By comparison, Multnomah County as a whole is about 68% White, so the school skews noticeably more White than its surroundings.

Looking at the economic backdrop, Riverdale High School reports 17 full-time-equivalent teachers, putting the student-to-teacher ratio at about 9.5:1. That figure is tighter than the state norm's 19.8:1 average.

Around the school, ACS estimates for Multnomah County put the typical household earns roughly $88,766 per year, about 49% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 7%. Riverdale High School is one of 169 public schools in Multnomah County (combined enrollment of about 81,096 students).

The closest other public school is Capitol Hill Elementary School, roughly 0.9 miles away. Within five miles, there are 8 other public schools.

Riverdale High School operates from a city-core location.

Looking at the recent track record. Over the past 7-year window, the student count ticked down 33%: 239 students in 2018 compared to 159 in 2025. White enrollment moved from 88% to 78% across the same window. Class-load math has tightened: from 13.2:1 in 2018 to 9.5:1 in 2025.

In the discussion threads here, the feed for Riverdale High School typically covers pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.