#1 Fastest-Growing Private Schools in Middlesex County, NJ
Wilberforce School
Christian school (nondenominational) · Grades Pre-K–12
Enrollment up 228% in about a decade
Princeton, NJ
B+Overall grade344 students18 students per teacher
2026 lists
Fastest-Growing Private Schools in Middlesex County, NJ
Private schools in Middlesex County, NJ whose enrollment has grown the most over the past decade. Top 8 of 8 schools.
#2 Fastest-Growing Private Schools in Middlesex County, NJ
French American School of Princeton
Independent school · Grades Pre-K–8
Enrollment up 41% in about a decade
Princeton, NJ
A-Overall grade116 students8 students per teacher
#3 Fastest-Growing Private Schools in Middlesex County, NJ
St. Bartholomew School
Parish school · Grades Pre-K–8
Enrollment up 31% in about a decade
East Brunswick, NJ
BOverall grade401 students19 students per teacher
#4 Fastest-Growing Private Schools in Middlesex County, NJ
Yeshiva Shaarei Tzion Boys'
Jewish day school · Grades K–8
Enrollment up 28% in about a decade
Piscataway, NJ
B-Overall gradeAll boys200 students13 students per teacher
#5 Fastest-Growing Private Schools in Middlesex County, NJ
Rabbi Jacob Joseph School
Jewish day school · Grades 9–12
Enrollment up 28% in about a decade
Edison, NJ
B-Overall gradeAll boys118 students18 students per teacher
#6 Fastest-Growing Private Schools in Middlesex County, NJ
Calvary Christian School
Christian school (nondenominational) · Grades Pre-K–12
Enrollment up 14% in about a decade
Old Bridge, NJ
AOverall grade288 students9 students per teacher
#7 Fastest-Growing Private Schools in Middlesex County, NJ
Noor-Ul-Iman School
Islamic school · Grades Pre-K–12
Enrollment up 13% in about a decade
Monmouth Junction, NJ
A+Overall grade527 students7 students per teacher
#8 Fastest-Growing Private Schools in Middlesex County, NJ
Assumption Catholic School
Religious school · Grades Pre-K–8
Enrollment up 10% in about a decade
Perth Amboy, NJ
A+Overall grade171 students15 students per teacher
From official public records, updated October 2026.