#1 Largest Private Schools in Mercer Island, WA
French American School of Puget Sound
Independent school · Grades Pre-K–8
312 students
Mercer Island, WA
A+Overall grade312 students5 students per teacher
2026 lists
Largest Private Schools in Mercer Island, WA
The private schools in Mercer Island, WA with the most students. Top 5 of 5 schools.
#2 Largest Private Schools in Mercer Island, WA
St. Monica School
Diocesan school · Grades Pre-K–12
222 students
Mercer Island, WA
B+Overall grade222 students10 students per teacher
#3 Largest Private Schools in Mercer Island, WA
Yellow Wood Academy
Alternative school · Grades 4–12
101 students
Mercer Island, WA
AOverall grade101 students2 students per teacher
#4 Largest Private Schools in Mercer Island, WA
Privett Academy
Independent school · Grades 7–12
74 students
Mercer Island, WA
B+Overall grade74 students11 students per teacher
#5 Largest Private Schools in Mercer Island, WA
Northwest Yeshiva High School
Jewish day school · Grades 9–12
57 students
Mercer Island, WA
AOverall grade57 students4 students per teacher
From official public records, updated October 2026.