#1 Best Private Schools in Washington County, OR
St. Pius X School
Diocesan school · Grades K–8
Smaller classes than 95% of Catholic schools in Oregon
Portland, OR
A+Overall grade513 students8 students per teacher
2026 lists
Best Private Schools in Washington County, OR
Private schools in Washington County, OR with the highest overall grades. Top 27 of 27 schools.
#2 Best Private Schools in Washington County, OR
Islamic School of Met/Oregon Islamic Academy
Islamic school · Grades Pre-K–12
Growing: enrollment up 74% since 2011–12
Tigard, OR
A+Overall grade226 students9 students per teacher
#3 Best Private Schools in Washington County, 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
#4 Best Private Schools in Washington County, OR
German International School
Independent school · Grades Pre-K–6
Smaller classes than 65% of independent schools in Oregon
Beaverton, OR
A+Overall grade209 students6 students per teacher
#5 Best Private Schools in Washington County, OR
Westgate Christian School
Baptist school · Grades Pre-K–12
Smaller classes than 64% of Christian schools in Oregon
Tigard, OR
A+Overall grade126 students11 students per teacher
#6 Best Private Schools in Washington County, OR
St. Matthew Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Hillsboro
Hillsboro, OR
A+Overall grade68 students9 students per teacher
#7 Best Private Schools in Washington County, OR
Valley Catholic High School
Independent Catholic school · Grades K–12
The smallest classes of any Catholic school in Beaverton
Beaverton, OR
A+Overall grade1,006 students11 students per teacher
#8 Best Private Schools in Washington County, OR
French International School of Oregon
Independent school · Grades Pre-K–8
One of the 3 largest independent schools in Oregon
Portland, OR
AOverall grade451 students7 students per teacher
#9 Best Private Schools in Washington County, OR
Pilgrim Lutheran Christian School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Serving families in Beaverton since at least 2011
Beaverton, OR
AOverall grade97 students11 students per teacher
#10 Best Private Schools in Washington County, 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
#11 Best Private Schools in Washington County, OR
Swallowtail School
Independent school · Grades Pre-K–8
Growing: enrollment up 39% since 2013–14
Cornelius, OR
AOverall grade118 students7 students per teacher
#12 Best Private Schools in Washington County, 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
#13 Best Private Schools in Washington County, OR
Forest Hills Lutheran Christian School
Diocesan school · Grades K–8
Serving families in Cornelius since at least 2011
Cornelius, OR
B+Overall grade167 students13 students per teacher
#14 Best Private Schools in Washington County, OR
St. Francis School
Diocesan school · Grades Pre-K–8
The only Catholic school in Sherwood
Sherwood, OR
B+Overall grade170 students13 students per teacher
#15 Best Private Schools in Washington County, OR
Visitation Catholic School
Parish school · Grades Pre-K–8
The only Catholic school in Forest Grove
Forest Grove, OR
B+Overall grade196 students15 students per teacher
#16 Best Private Schools in Washington County, OR
Holy Trinity Catholic School
Diocesan school · Grades Pre-K–8
Serving families in Beaverton since at least 2011
Beaverton, OR
B+Overall grade258 students15 students per teacher
#17 Best Private Schools in Washington County, OR
Faith Bible Christian School
Christian school (nondenominational) · Grades Pre-K–12
The only Christian school in Hillsboro
Hillsboro, OR
B+Overall grade479 students12 students per teacher
#18 Best Private Schools in Washington County, OR
Angels Academy
Montessori school · Grades K–2
Serving families in Beaverton since at least 2011
Beaverton, OR
B+Overall grade94 students9 students per teacher
#19 Best Private Schools in Washington County, 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
#20 Best Private Schools in Washington County, OR
Valley Catholic Elementary School
Independent Catholic school · Grades K–5
One of the most diverse private schools in Oregon
Beaverton, OR
BOverall grade340 students17 students per teacher
#21 Best Private Schools in Washington County, OR
St. Cecilia School
Parish school · Grades Pre-K–8
Growing: enrollment up 27% since 2011–12
Beaverton, OR
BOverall grade283 students19 students per teacher
#22 Best Private Schools in Washington County, OR
Valor Christian School International
Independent school · Grades Pre-K–12
The largest independent school in Beaverton
Beaverton, OR
BOverall grade294 students12 students per teacher
#23 Best Private Schools in Washington County, OR
Life Christian School
Assembly of God school · Grades Pre-K–12
One school from pre-K through 12th grade
Aloha, OR
BOverall grade236 students17 students per teacher
#24 Best Private Schools in Washington County, OR
St. Francis of Assisi School
Diocesan school · Grades Pre-K–8
Growing: enrollment up 38% since 2019–20
Banks, OR
B-Overall grade120 students19 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.