#1 Largest Private Schools in Worcester, MA
Worcester Academy
Independent school · Grades 6–12
532 students
Worcester, MA
AOverall grade532 students8 students per teacher
2026 lists
Largest Private Schools in Worcester, MA
The private schools in Worcester, MA with the most students. Top 11 of 11 schools.
#2 Largest Private Schools in Worcester, MA
Bancroft School
Independent school · Grades Pre-K–12
416 students
Worcester, MA
A+Overall grade416 students5 students per teacher
#3 Largest Private Schools in Worcester, MA
St. Paul Diocesan Jr/Sr High School
Parish school · Grades 7–12
406 students
Worcester, MA
A+Overall grade406 students12 students per teacher
#4 Largest Private Schools in Worcester, MA
St. Peter Central Catholic Elementary School
Diocesan school · Grades Pre-K–8
302 students
Worcester, MA
AOverall grade302 students14 students per teacher
#5 Largest Private Schools in Worcester, MA
Notre Dame Academy
Independent Catholic school · Grades 7–12
258 students
Worcester, MA
A+Overall gradeAll girls258 students8 students per teacher
#6 Largest Private Schools in Worcester, MA
Venerini Academy
Independent Catholic school · Grades Pre-K–8
187 students
Worcester, MA
A+Overall grade187 students10 students per teacher
#7 Largest Private Schools in Worcester, MA
Our Lady of the Angels Memorial Elementary School
Parish school · Grades Pre-K–8
149 students
Worcester, MA
AOverall grade149 students12 students per teacher
#8 Largest Private Schools in Worcester, MA
Center for Applied Behavioral Instruction School
Special education school · Grades 1–12
101 students
Worcester, MA
BOverall grade101 students8 students per teacher
#9 Largest Private Schools in Worcester, MA
Nativity School of Worcester
Independent Catholic school · Grades 5–8
59 students
Worcester, MA
A-Overall gradeAll boys59 students15 students per teacher
#10 Largest Private Schools in Worcester, MA
Worcester Seventh-Day Adventist School
Seventh-day Adventist school · Grades K–8
25 students
Worcester, MA
B+Overall grade25 students13 students per teacher
#11 Largest Private Schools in Worcester, MA
Summit Academy School for Alternative Learners
Special education school · Grades K–12
25 students
Worcester, MA
A-Overall grade25 students4 students per teacher
From official public records, updated October 2026.