#1 Most Diverse Private Schools in Mercer Island, WA
St. Monica School
Diocesan school · Grades Pre-K–12
Largest group: 64% of students
Mercer Island, WA
B+Overall grade222 students10 students per teacher
2026 lists
Most Diverse Private Schools in Mercer Island, WA
Private schools in Mercer Island, WA with the most varied mix of students. Top 5 of 5 schools.
#2 Most Diverse Private Schools in Mercer Island, WA
Privett Academy
Independent school · Grades 7–12
Largest group: 77% of students
Mercer Island, WA
B+Overall grade74 students11 students per teacher
#3 Most Diverse Private Schools in Mercer Island, WA
Yellow Wood Academy
Alternative school · Grades 4–12
Largest group: 81% of students
Mercer Island, WA
AOverall grade101 students2 students per teacher
#4 Most Diverse Private Schools in Mercer Island, WA
French American School of Puget Sound
Independent school · Grades Pre-K–8
Largest group: 82% of students
Mercer Island, WA
A+Overall grade312 students5 students per teacher
#5 Most Diverse Private Schools in Mercer Island, WA
Northwest Yeshiva High School
Jewish day school · Grades 9–12
Largest group: 91% of students
Mercer Island, WA
AOverall grade57 students4 students per teacher
From official public records, updated October 2026.