#1 Best Independent Schools in Clackamas County, OR
Arbor School of Arts & Sciences
Independent school · Grades K–8
The only independent school in Tualatin
Tualatin, OR
AOverall grade193 students6 students per teacher
2026 lists
Best Independent Schools in Clackamas County, OR
The highest-graded schools of this kind in Clackamas County, OR. Top 5 of 5 schools.
#2 Best Independent Schools in Clackamas County, OR
Portland Waldorf School
Independent school · Grades Pre-K–12
88% of graduates go to four-year colleges
Milwaukie, OR
AOverall grade296 students10 students per teacher
#3 Best Independent Schools in Clackamas County, OR
Micha-El School
Independent school · Grades K–7
Small classes: about 7 students per teacher
Milwaukie, OR
A-Overall grade66 students7 students per teacher
#4 Best Independent Schools in Clackamas County, OR
International Leadership Academy
Independent school · Grades Pre-K–5
The only independent school in Lake Oswego
Lake Oswego, OR
B+Overall grade69 students11 students per teacher
#5 Best Independent Schools in Clackamas County, OR
Wy East Mountain Academy
Independent school · Grades 8–12
90% of graduates go to four-year colleges
Welches, OR
BOverall grade64 students32 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.