#25 Largest Private Schools in Oregon
Central Christian School
Christian school (nondenominational) · Grades Pre-K–12
380 students
Redmond, OR
BOverall grade380 students12 students per teacher
2026 lists
Largest Private Schools in Oregon
The private schools in Oregon with the most students. Top 50 of 229 schools.
#26 Largest Private Schools in Oregon
Regis St. Mary Catholic School
Diocesan school · Grades Pre-K–12
357 students
Stayton, OR
B-Overall grade357 students14 students per teacher
#27 Largest Private Schools in Oregon
Damascus Christian School
Christian school (nondenominational) · Grades Pre-K–12
344 students
Damascus, OR
B-Overall grade344 students14 students per teacher
#28 Largest Private Schools in Oregon
Eugene Christian School
Christian school (nondenominational) · Grades Pre-K–8
343 students
Eugene, OR
B+Overall grade343 students11 students per teacher
#29 Largest Private Schools in Oregon
Valley Catholic Elementary School
Independent Catholic school · Grades K–5
340 students
Beaverton, OR
BOverall grade340 students17 students per teacher
#30 Largest Private Schools in Oregon
Crosspoint Christian School
Christian school (nondenominational) · Grades Pre-K–12
331 students
Klamath Falls, OR
BOverall grade331 students12 students per teacher
#31 Largest Private Schools in Oregon
Southwest Christian School
Christian school (nondenominational) · Grades Pre-K–12
330 students
Beaverton, OR
B-Overall grade330 students16 students per teacher
#32 Largest Private Schools in Oregon
Rosemary Anderson High School/Portland Oic
Alternative school · Grades 6–12
326 students
Portland, OR
B-Overall grade326 students14 students per teacher
#33 Largest Private Schools in Oregon
Columbia Christian Schools
Church of Christ school · Grades Pre-K–12
322 students
Portland, OR
B+Overall grade322 students13 students per teacher
#34 Largest Private Schools in Oregon
Portland Christian Elementary School
Christian school (nondenominational) · Grades Pre-K–5
322 students
Portland, OR
B-Overall grade322 students17 students per teacher
#35 Largest Private Schools in Oregon
West Hills Christian School
Christian school (nondenominational) · Grades K–8
322 students
Portland, OR
BOverall grade322 students13 students per teacher
#36 Largest Private Schools in Oregon
New Dimension Christian School
Christian school (nondenominational) · Grades K–5
316 students
Medford, OR
B-Overall grade316 students21 students per teacher
#37 Largest Private Schools in Oregon
North Clackamas Christian School
Christian school (nondenominational) · Grades Pre-K–12
302 students
Oregon City, OR
BOverall grade302 students15 students per teacher
#38 Largest Private Schools in Oregon
Portland Waldorf School
Independent school · Grades Pre-K–12
296 students
Milwaukie, OR
AOverall grade296 students10 students per teacher
#39 Largest Private Schools in Oregon
Valor Christian School International
Independent school · Grades Pre-K–12
294 students
Beaverton, OR
BOverall grade294 students12 students per teacher
#40 Largest Private Schools in Oregon
Portland Adventist Elementary School
Seventh-day Adventist school · Grades Pre-K–8
292 students
Gresham, OR
BOverall grade292 students17 students per teacher
#41 Largest Private Schools in Oregon
Open Door Christian Academy
Baptist school · Grades Pre-K–12
291 students
Troutdale, OR
B-Overall grade291 students20 students per teacher
#42 Largest Private Schools in Oregon
International School of Portland
Independent school · Grades Pre-K–5
290 students
Portland, OR
A+Overall grade290 students8 students per teacher
#43 Largest Private Schools in Oregon
Albany Christian School
Religious school · Grades Pre-K–8
285 students
Albany, OR
B+Overall grade285 students18 students per teacher
#44 Largest Private Schools in Oregon
St. Cecilia School
Parish school · Grades Pre-K–8
283 students
Beaverton, OR
BOverall grade283 students19 students per teacher
#45 Largest Private Schools in Oregon
New Hope Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
283 students
Grants Pass, OR
B-Overall grade283 students13 students per teacher
#46 Largest Private Schools in Oregon
Holy Trinity Catholic School
Diocesan school · Grades Pre-K–8
258 students
Beaverton, OR
B+Overall grade258 students15 students per teacher
#47 Largest Private Schools in Oregon
The Madeleine Elementary School
Diocesan school · Grades K–8
256 students
Portland, OR
BOverall grade256 students18 students per teacher
#48 Largest Private Schools in Oregon
Our Lady of the Lake Cartholic School
Diocesan school · Grades Pre-K–8
256 students
Lake Oswego, OR
B-Overall grade256 students28 students per teacher
From official public records, updated October 2026.