#1 Largest Private Schools in Andover, MA
Phillips Academy
Independent school · Grades 9–12
1,154 students
Andover, MA
A+Overall grade1,154 students6 students per teacher
2026 lists
Largest Private Schools in Andover, MA
The private schools in Andover, MA with the most students. Top 5 of 5 schools.
#2 Largest Private Schools in Andover, MA
St. Augustine Elementary School
Parish school · Grades Pre-K–8
320 students
Andover, MA
AOverall grade320 students13 students per teacher
#3 Largest Private Schools in Andover, MA
Melmark New England
Special education school · Ungraded
148 students
Andover, MA
B+Overall grade148 students6 students per teacher
#4 Largest Private Schools in Andover, MA
Andover School of Montessori
Montessori school · Grades Pre-K–8
95 students
Andover, MA
B+Overall grade95 students7 students per teacher
#5 Largest Private Schools in Andover, MA
Step by Step Chinese Learning Center
Religious school · Grades 1–8
61 students
Andover, MA
A-Overall grade61 students15 students per teacher
From official public records, updated October 2026.