#1 Private Schools with the Smallest Classes in Clackamas County, OR
Maayan Torah Day School
Jewish day school · Grades K–10
4.9 students per teacher
Lake Oswego, OR
B+Overall grade63 students5 students per teacher
2026 lists
Private Schools with the Smallest Classes in Clackamas County, OR
Private schools in Clackamas County, OR with the fewest students per teacher (not counting preschools and special education schools). Top 21 of 21 schools.
#2 Private Schools with the Smallest Classes in Clackamas County, OR
Arbor School of Arts & Sciences
Independent school · Grades K–8
5.7 students per teacher
Tualatin, OR
AOverall grade193 students6 students per teacher
#3 Private Schools with the Smallest Classes in Clackamas County, OR
Maayan Torah Day School
Jewish day school · Grades Pre-K–10
6.2 students per teacher
Lake Oswego, OR
B+Overall grade62 students6 students per teacher
#4 Private Schools with the Smallest Classes in Clackamas County, OR
Micha-El School
Independent school · Grades K–7
6.9 students per teacher
Milwaukie, OR
A-Overall grade66 students7 students per teacher
#5 Private Schools with the Smallest Classes in Clackamas County, OR
St. John the Baptist Catholic School
Diocesan school · Grades Pre-K–8
9.1 students per teacher
Milwaukie, OR
A+Overall grade146 students9 students per teacher
#6 Private Schools with the Smallest Classes in Clackamas County, OR
Portland Waldorf School
Independent school · Grades Pre-K–12
9.9 students per teacher
Milwaukie, OR
AOverall grade296 students10 students per teacher
#7 Private Schools with the Smallest Classes in Clackamas County, OR
Spring Mountain Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
10.3 students per teacher
Clackamas, OR
A-Overall grade186 students10 students per teacher
#8 Private Schools with the Smallest Classes in Clackamas County, OR
International Leadership Academy
Independent school · Grades Pre-K–5
10.5 students per teacher
Lake Oswego, OR
B+Overall grade69 students11 students per teacher
#9 Private Schools with the Smallest Classes in Clackamas County, OR
The Marylhurst School
Alternative school · Grades Pre-K–8
13.1 students per teacher
Oregon City, OR
BOverall grade105 students13 students per teacher
#10 Private Schools with the Smallest Classes in Clackamas County, OR
Resurrection Catholic Parish School
Parish school · Grades Pre-K–5
13.8 students per teacher
Tualatin, OR
B+Overall grade66 students14 students per teacher
#11 Private Schools with the Smallest Classes in Clackamas County, OR
Damascus Christian School
Christian school (nondenominational) · Grades Pre-K–12
14.3 students per teacher
Damascus, OR
B-Overall grade344 students14 students per teacher
#12 Private Schools with the Smallest Classes in Clackamas County, OR
Country Christian School
Christian school (nondenominational) · Grades Pre-K–12
14.5 students per teacher
Molalla, OR
B-Overall grade411 students15 students per teacher
#13 Private Schools with the Smallest Classes in Clackamas County, OR
North Clackamas Christian School
Christian school (nondenominational) · Grades Pre-K–12
14.9 students per teacher
Oregon City, OR
BOverall grade302 students15 students per teacher
#14 Private Schools with the Smallest Classes in Clackamas County, OR
Hood View Adventist School
Seventh-day Adventist school · Grades Pre-K–8
15.2 students per teacher
Boring, OR
BOverall grade188 students15 students per teacher
#15 Private Schools with the Smallest Classes in Clackamas County, OR
Grand View Christian Academy
Baptist school · Grades Pre-K–12
15.6 students per teacher
Beavercreek, OR
B-Overall grade412 students16 students per teacher
#16 Private Schools with the Smallest Classes in Clackamas County, OR
Good Shepherd School
Christian school (nondenominational) · Grades Pre-K–8
16.3 students per teacher
Boring, OR
B-Overall grade222 students16 students per teacher
#17 Private Schools with the Smallest Classes in Clackamas County, OR
La Salle Catholic College Preparatory
Independent Catholic school · Grades 9–12
17.2 students per teacher
Milwaukie, OR
B-Overall grade659 students17 students per teacher
#18 Private Schools with the Smallest Classes in Clackamas County, OR
Strike School
Alternative school · Grades K–12
17.7 students per teacher
Oregon City, OR
BOverall grade113 students18 students per teacher
#19 Private Schools with the Smallest Classes in Clackamas County, OR
Rivergate Adventist Elementary School
Seventh-day Adventist school · Grades Pre-K–8
18.1 students per teacher
Gladstone, OR
B-Overall grade116 students18 students per teacher
#20 Private Schools with the Smallest Classes in Clackamas County, OR
Our Lady of the Lake Cartholic School
Diocesan school · Grades Pre-K–8
28.4 students per teacher
Lake Oswego, OR
B-Overall grade256 students28 students per teacher
#21 Private Schools with the Smallest Classes in Clackamas County, OR
Wy East Mountain Academy
Independent school · Grades 8–12
32 students per teacher
Welches, OR
BOverall grade64 students32 students per teacher
From official public records, updated October 2026.