#1 Largest Private Schools in Rockville, MD
Charles E Smith Jewish Day School
Jewish day school · Grades Pre-K–12
829 students
Rockville, MD
A-Overall grade829 students6 students per teacher
2026 lists
Largest Private Schools in Rockville, MD
The private schools in Rockville, MD with the most students. Top 15 of 15 schools.
#2 Largest Private Schools in Rockville, MD
Melvin J Berman Hebrew Academy
Jewish day school · Grades Pre-K–12
615 students
Rockville, MD
AOverall grade615 students6 students per teacher
#3 Largest Private Schools in Rockville, MD
St. Elizabeth Catholic School
Diocesan school · Grades Pre-K–8
499 students
Rockville, MD
BOverall grade499 students16 students per teacher
#4 Largest Private Schools in Rockville, MD
St. Patrick's School
Parish school · Grades Pre-K–8
241 students
Rockville, MD
A+Overall grade241 students8 students per teacher
#5 Largest Private Schools in Rockville, MD
St. Raphael School
Diocesan school · Grades Pre-K–8
224 students
Rockville, MD
A+Overall grade224 students10 students per teacher
#6 Largest Private Schools in Rockville, MD
St. Jude Regional Catholic School
Diocesan school · Grades Pre-K–8
202 students
Rockville, MD
A+Overall grade202 students8 students per teacher
#7 Largest Private Schools in Rockville, MD
Ivymount School
Special education school · Grades K–12
172 students
Rockville, MD
B+Overall grade172 students5 students per teacher
#8 Largest Private Schools in Rockville, MD
St. Marys Elementary School
Diocesan school · Grades Pre-K–8
148 students
Rockville, MD
A+Overall grade148 students10 students per teacher
#9 Largest Private Schools in Rockville, MD
Green Acres School
Alternative school · Grades Pre-K–8
140 students
Rockville, MD
A+Overall grade140 students4 students per teacher
#10 Largest Private Schools in Rockville, MD
The Katherine Thomas School
Special education school · Grades Pre-K–12
133 students
Rockville, MD
A+Overall grade133 students2 students per teacher
#11 Largest Private Schools in Rockville, MD
Sheppard Pratt School-Rockville (Formerly Frost SC
Special education school · Grades K–12
98 students
Rockville, MD
B+Overall grade98 students5 students per teacher
#12 Largest Private Schools in Rockville, MD
Christ Episcopal School
Episcopal school · Grades Pre-K–8
88 students
Rockville, MD
A+Overall grade88 students7 students per teacher
#13 Largest Private Schools in Rockville, MD
Primary Montessori Day School
Montessori school · Grades Pre-K–3
38 students
Rockville, MD
B+Overall grade38 students10 students per teacher
#14 Largest Private Schools in Rockville, MD
The Maddux School
Independent school · Grades Pre-K–2
35 students
Rockville, MD
AOverall grade35 students4 students per teacher
#15 Largest Private Schools in Rockville, MD
Children's Manor Montessori School & Daycare
Montessori school · Grades Pre-K–1
25 students
Rockville, MD
A-Overall grade25 students6 students per teacher
From official public records, updated October 2026.