About O'Dea High School
O'Dea is the only all-boys Catholic high school in Seattle, located in the First Hill neighborhood. Founded in 1923, it is operated in the Edmund Rice Christian Brothers tradition and emphasizes brotherhood, academics, athletics, and faith formation.
Quick facts
- Founded 1923
- Grades 9–12, Private Catholic
- Congregation of Christian Brothers (Edmund Rice)
- Seattle
- Tuition: $22,890/year (2025–26)
- Enrollment: About 500 students
A Catholic education in Seattle
Families choosing O'Dea High School are choosing more than academics — a Catholic school offers faith formation, the sacraments, service, and a close community. For Mass times, the nearest parish, and other Catholic schools in the area, use the free Catholic Connect map or browse all Catholic schools in Seattle. For tuition, admissions, the calendar, and how to apply, visit the official website.
Find your parish and community in Seattle
Join Catholic Connect free — find Catholic schools, parishes, and people near you.
Join Catholic Connect free