#1 Largest Private Schools in Clark County, WA
Kings Way Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
886 students
Vancouver, WA
B-Overall grade886 students17 students per teacher
2026 lists
Largest Private Schools in Clark County, WA
The private schools in Clark County, WA with the most students. Top 18 of 18 schools.
#2 Largest Private Schools in Clark County, WA
St. Joseph Catholic School
Diocesan school · Grades K–8
417 students
Vancouver, WA
BOverall grade417 students23 students per teacher
#3 Largest Private Schools in Clark County, WA
Firm Foundation Christian School
Christian school (nondenominational) · Grades Pre-K–12
391 students
Battle Ground, WA
B-Overall grade391 students14 students per teacher
#4 Largest Private Schools in Clark County, WA
Meadow Glade Adventist Elementary School
Seventh-day Adventist school · Grades K–8
308 students
Battle Ground, WA
BOverall grade308 students17 students per teacher
#5 Largest Private Schools in Clark County, WA
Seton Catholic College Preparatory High School
Diocesan school · Grades 9–12
268 students
Vancouver, WA
B+Overall grade268 students14 students per teacher
#6 Largest Private Schools in Clark County, WA
Mannahouse Christian Academy
Christian school (nondenominational) · Grades K–8
253 students
Vancouver, WA
B-Overall grade253 students18 students per teacher
#7 Largest Private Schools in Clark County, WA
Cornerstone Christian Academy
Christian school (nondenominational) · Grades Pre-K–10
244 students
Vancouver, WA
B+Overall grade244 students12 students per teacher
#8 Largest Private Schools in Clark County, WA
Our Lady of Lourdes Catholic School
Parish school · Grades Pre-K–8
233 students
Vancouver, WA
A+Overall grade233 students11 students per teacher
#9 Largest Private Schools in Clark County, WA
Agape Christian Academy, Middle School
Christian school (nondenominational) · Grades 3–7
159 students
Camas, WA
A-Overall grade159 students9 students per teacher
#10 Largest Private Schools in Clark County, WA
Columbia Adventist Academy
Seventh-day Adventist school · Grades 9–12
130 students
Battle Ground, WA
AOverall grade130 students12 students per teacher
#11 Largest Private Schools in Clark County, WA
Cascadia School
Montessori school · Grades 1–8
117 students
Vancouver, WA
BOverall grade117 students18 students per teacher
#12 Largest Private Schools in Clark County, WA
Agape Christian Academy
Christian school (nondenominational) · Grades Pre-K–2
98 students
Camas, WA
A+Overall grade98 students7 students per teacher
#13 Largest Private Schools in Clark County, WA
Spanish with Sarah
Independent school · Grades Pre-K–5
88 students
Camas, WA
AOverall grade88 students8 students per teacher
#14 Largest Private Schools in Clark County, WA
Lupine Experiential School
Independent school · Grades K–8
79 students
Vancouver, WA
BOverall grade79 students9 students per teacher
#15 Largest Private Schools in Clark County, WA
Riverside Christian School
Seventh-day Adventist school · Grades K–8
73 students
Washougal, WA
AOverall grade73 students10 students per teacher
#16 Largest Private Schools in Clark County, WA
The Gardner School of Arts & Sciences
Independent school · Grades K–6
66 students
Vancouver, WA
AOverall grade66 students7 students per teacher
#17 Largest Private Schools in Clark County, WA
Sonshine Christian Elementary
Christian school (nondenominational) · Grades K–8
57 students
Vancouver, WA
B+Overall grade57 students11 students per teacher
#18 Largest Private Schools in Clark County, WA
Agape Christian Academy, Upper School
Christian school (nondenominational) · Grades 8–12
51 students
Camas, WA
A-Overall grade51 students5 students per teacher
From official public records, updated October 2026.