#25 Best Private Schools in the Archdiocese of Portland
St. Therese Catholic School
Diocesan school · Grades Pre-K–8
One of the most diverse private schools in Oregon
Portland, OR
B+Overall grade195 students18 students per teacher
2026 lists
Best Private Schools in the Archdiocese of Portland
Private schools in the Archdiocese of Portland with the highest overall grades. Top 46 of 46 schools.
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.