#25 Largest Private Schools in Union County, NJ
PNS&K
Early childhood program · Grades Pre-K–K
69 students
Westfield, NJ
B+Overall grade69 students8 students per teacher
2026 lists
Largest Private Schools in Union County, NJ
The private schools in Union County, NJ with the most students. Top 34 of 34 schools.
From official public records, updated October 2026.