#49 Largest Private Schools in Washington
Cascade Christian - Puyallup Elementary
Christian school (nondenominational) · Grades K–6
355 students
Puyallup, WA
BOverall grade355 students18 students per teacher
2026 lists
Largest Private Schools in Washington
The private schools in Washington with the most students. Top 50 of 409 schools.
#50 Largest Private Schools in Washington
St. Anthony Elementary School
Diocesan school · Grades Pre-K–8
350 students
Renton, WA
B+Overall grade350 students18 students per teacher
From official public records, updated October 2026.