#1 Best Private High Schools in Portland, OR
Catlin Gabel
Independent school · Grades Pre-K–12
One of the 3 largest independent schools in Oregon
Portland, OR
A+Overall grade763 students8 students per teacher
2026 lists
Best Private High Schools in Portland, OR
Private high schools in Portland, OR with the highest overall grades. Top 11 of 11 schools.
#2 Best Private High Schools in Portland, OR
Portland Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
The largest Christian school in Portland
Portland, OR
AOverall grade628 students14 students per teacher
#3 Best Private High Schools in Portland, OR
Jesuit High School
Independent Catholic school · Grades 9–12
The largest of 56 Catholic schools in Oregon
Portland, OR
AOverall grade1,279 students13 students per teacher
#4 Best Private High Schools in Portland, OR
De La Salle North Catholic High School
Independent Catholic school · Grades 9–12
One of the most diverse private schools in Oregon
Portland, OR
AOverall grade220 students12 students per teacher
#5 Best Private High Schools in Portland, OR
St. Marys Academy
Independent Catholic school · Grades 9–12
The only all-girls school in Portland
Portland, OR
A-Overall gradeAll girls606 students12 students per teacher
#6 Best Private High Schools in Portland, OR
Edison High School
Alternative school · Grades 9–12
Smaller classes than 62% of independent schools in Oregon
Portland, OR
A-Overall grade135 students7 students per teacher
#7 Best Private High Schools in Portland, OR
Columbia Christian Schools
Church of Christ school · Grades Pre-K–12
Growing: enrollment up 42% since 2011–12
Portland, OR
B+Overall grade322 students13 students per teacher
#8 Best Private High Schools in Portland, OR
Portland Adventist Academy
Seventh-day Adventist school · Grades 9–12
85% of graduates go to four-year colleges
Portland, OR
B+Overall grade193 students13 students per teacher
#9 Best Private High Schools in Portland, OR
Central Catholic High School
Diocesan school · Grades 9–12
One of the 3 largest Catholic schools in Oregon
Portland, OR
B+Overall grade865 students15 students per teacher
#10 Best Private High Schools in Portland, OR
Catlin Gabel School
Independent school · Grades Pre-K–12
The largest of 67 independent schools in Oregon
Portland, OR
B+Overall grade767 students33 students per teacher
#11 Best Private High Schools in Portland, OR
Rosemary Anderson High School/Portland Oic
Alternative school · Grades 6–12
One of the most diverse private schools in Oregon
Portland, OR
B-Overall grade326 students14 students per teacher
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.