#1 Fastest-Growing Private Schools in Westchester County, NY
Westchester Muslim Center School
Islamic school · Grades Pre-K–12
Enrollment up 143% in about a decade
Mount Vernon, NY
B+Overall grade90 students
2026 lists
Fastest-Growing Private Schools in Westchester County, NY
Private schools in Westchester County, NY whose enrollment has grown the most over the past decade. Top 9 of 9 schools.
#2 Fastest-Growing Private Schools in Westchester County, NY
Archbishop Stepinac High School
Independent Catholic school · Grades 9–12
Enrollment up 25% in about a decade
White Plains, NY
A+Overall gradeAll boys769 students13 students per teacher
#3 Fastest-Growing Private Schools in Westchester County, NY
John a Coleman School
Special education school · Pre-K only
Enrollment up 25% in about a decade
Yonkers, NY
A-Overall grade115 students6 students per teacher
#4 Fastest-Growing Private Schools in Westchester County, NY
Ohr Hameir Seminary - Tifereth Israel High School
Jewish day school · Grades 9–12
Enrollment up 17% in about a decade
Courtland Manor, NY
B+Overall gradeAll boys128 students9 students per teacher
#5 Fastest-Growing Private Schools in Westchester County, NY
German International School New York
Independent school · Grades Pre-K–12
Enrollment up 16% in about a decade
White Plains, NY
B-Overall grade384 students11 students per teacher
#6 Fastest-Growing Private Schools in Westchester County, NY
The Masters School
Independent school · Grades 5–12
Enrollment up 15% in about a decade
Dobbs Ferry, NY
AOverall grade692 students7 students per teacher
#7 Fastest-Growing Private Schools in Westchester County, NY
Sts. John & Paul School
Parish school · Grades Pre-K–8
Enrollment up 11% in about a decade
Larchmont, NY
BOverall grade340 students15 students per teacher
#8 Fastest-Growing Private Schools in Westchester County, NY
Andalusia School
Islamic school · Grades Pre-K–12
Enrollment up 11% in about a decade
Yonkers, NY
A+Overall grade313 students15 students per teacher
#9 Fastest-Growing Private Schools in Westchester County, NY
Iona Preparatory Lower School
Independent Catholic school · Grades Pre-K–8
Enrollment up 10% in about a decade
New Rochelle, NY
A+Overall gradeAll boys215 students11 students per teacher
From official public records, updated October 2026.