#1 Largest Private Schools in Ulster County, NY
Woodstock Day School
Alternative school · Grades Pre-K–12
159 students
Saugerties, NY
B+Overall grade159 students5 students per teacher
2026 lists
Largest Private Schools in Ulster County, NY
The private schools in Ulster County, NY with the most students. Top 12 of 12 schools.
#2 Largest Private Schools in Ulster County, NY
Mount Academy
Christian school (nondenominational) · Grades 9–12
158 students
Esopus, NY
B-Overall grade158 students6 students per teacher
#3 Largest Private Schools in Ulster County, NY
Kingston Catholic School
Diocesan school · Grades Pre-K–8
157 students
Kingston, NY
B+Overall grade157 students14 students per teacher
#4 Largest Private Schools in Ulster County, NY
Mountain Laurel Waldorf School
Independent school · Grades Pre-K–8
129 students
New Paltz, NY
B+Overall grade129 students8 students per teacher
#5 Largest Private Schools in Ulster County, NY
High Meadow School
Independent school · Grades Pre-K–8
107 students
Stone Ridge, NY
A+Overall grade107 students5 students per teacher
#6 Largest Private Schools in Ulster County, NY
Center for Spectrum Services
Special education school · Grades Pre-K–6
96 students
Kingston, NY
BOverall grade96 students10 students per teacher
#7 Largest Private Schools in Ulster County, NY
The Middle Way School
Religious school · Grades Pre-K–6
80 students
Saugerties, NY
B+Overall grade80 students5 students per teacher
#8 Largest Private Schools in Ulster County, NY
Hudson Valley Sudbury School
Independent school · Grades K–12
73 students
Kingston, NY
B+Overall grade73 students10 students per teacher
#9 Largest Private Schools in Ulster County, NY
Wraparound Services of the Hudson Valley
Special education school · Pre-K only
63 students
Lake Katrine, NY
AOverall grade63 students5 students per teacher
#10 Largest Private Schools in Ulster County, NY
Acorn Waldorf School
Independent school · Grades Pre-K–K
34 students
Accord, NY
B+Overall grade34 students5 students per teacher
#11 Largest Private Schools in Ulster County, NY
Children's Home of Kingston
Special education school · Grades 5–12
28 students
Kingston, NY
AOverall gradeAll boys28 students3 students per teacher
#12 Largest Private Schools in Ulster County, NY
Montessori of New Paltz
Montessori school · Grades Pre-K–5
24 students
New Paltz, NY
A-Overall grade24 students5 students per teacher
From official public records, updated October 2026.