#1 Largest Private Schools in Baltimore County, MD
Boys Latin School of Maryland
Early childhood program · Kindergarten only
1,451 students
Baltimore, MD
BOverall gradeAll boys1,451 students14 students per teacher
2026 lists
Largest Private Schools in Baltimore County, MD
The private schools in Baltimore County, MD with the most students. Top 50 of 105 schools.
#2 Largest Private Schools in Baltimore County, MD
McDonogh School
Independent school · Grades Pre-K–12
1,416 students
Owings Mills, MD
A+Overall grade1,416 students7 students per teacher
#3 Largest Private Schools in Baltimore County, MD
Calvert Hall College High School
Diocesan school · Grades 9–12
1,249 students
Baltimore, MD
A+Overall gradeAll boys1,249 students11 students per teacher
#4 Largest Private Schools in Baltimore County, MD
Loyola Blakefield
Independent Catholic school · Grades 6–12
1,018 students
Towson, MD
A+Overall gradeAll boys1,018 students10 students per teacher
#5 Largest Private Schools in Baltimore County, MD
Gilman School
Independent school · Grades Pre-K–12
1,017 students
Baltimore, MD
A+Overall gradeAll boys1,017 students6 students per teacher
#6 Largest Private Schools in Baltimore County, MD
Talmudical Academy of Baltimore
Jewish day school · Grades Pre-K–12
906 students
Baltimore, MD
B-Overall gradeAll boys906 students15 students per teacher
#7 Largest Private Schools in Baltimore County, MD
The Park School of Baltimore
Independent school · Grades Pre-K–12
839 students
Baltimore, MD
A+Overall grade839 students8 students per teacher
#8 Largest Private Schools in Baltimore County, MD
Notre Dame Preparatory School
Independent Catholic school · Grades 6–12
828 students
Towson, MD
A+Overall gradeAll girls828 students5 students per teacher
#9 Largest Private Schools in Baltimore County, MD
Mount Saint Joseph High School
Independent Catholic school · Grades 9–12
798 students
Baltimore, MD
A+Overall gradeAll boys798 students10 students per teacher
#10 Largest Private Schools in Baltimore County, MD
Rosedale Baptist School
Baptist school · Grades Pre-K–12
774 students
Baltimore, MD
BOverall grade774 students11 students per teacher
#11 Largest Private Schools in Baltimore County, MD
Friends School of Baltimore
Quaker (Friends) school · Grades Pre-K–12
769 students
Baltimore, MD
A+Overall grade769 students9 students per teacher
#12 Largest Private Schools in Baltimore County, MD
Bayaan Academy
Islamic school · Grades 3–12
766 students
Nottingham, MD
BOverall grade766 students11 students per teacher
#13 Largest Private Schools in Baltimore County, MD
Torah Institute
Jewish day school · Grades Pre-K–8
736 students
Owings Mills, MD
B-Overall gradeAll boys736 students15 students per teacher
#14 Largest Private Schools in Baltimore County, MD
The Bryn Mawr School
Independent school · Grades Pre-K–12
709 students
Baltimore, MD
A+Overall gradeAll girls709 students6 students per teacher
#15 Largest Private Schools in Baltimore County, MD
Beth Tfiloh Dahan Community School
Jewish day school · Grades Pre-K–12
689 students
Baltimore, MD
A-Overall grade689 students8 students per teacher
#16 Largest Private Schools in Baltimore County, MD
Bayaan Academy
Religious school · Grades 3–12
657 students
Baltimore, MD
BOverall grade657 students11 students per teacher
#17 Largest Private Schools in Baltimore County, MD
Calvert School
Independent school · Grades Pre-K–8
630 students
Baltimore, MD
A-Overall grade630 students8 students per teacher
#18 Largest Private Schools in Baltimore County, MD
St. Ursula School
Parish school · Grades Pre-K–8
593 students
Baltimore, MD
BOverall grade593 students16 students per teacher
#19 Largest Private Schools in Baltimore County, MD
Immaculate Conception School
Diocesan school · Grades Pre-K–8
557 students
Towson, MD
B+Overall grade557 students13 students per teacher
#20 Largest Private Schools in Baltimore County, MD
Archbishop Curley High School
Diocesan school · Grades 9–12
537 students
Baltimore, MD
B-Overall gradeAll boys537 students13 students per teacher
#21 Largest Private Schools in Baltimore County, MD
St. Joseph School - Fullerton
Diocesan school · Grades Pre-K–8
519 students
Baltimore, MD
BOverall grade519 students20 students per teacher
#22 Largest Private Schools in Baltimore County, MD
Bnos Yisroel
Jewish day school · Grades Pre-K–12
518 students
Baltimore, MD
BOverall gradeAll girls518 students7 students per teacher
#23 Largest Private Schools in Baltimore County, MD
Our Lady of Mt. Carmel School
Diocesan school · Grades Pre-K–12
498 students
Essex, MD
BOverall grade498 students13 students per teacher
#24 Largest Private Schools in Baltimore County, MD
Maryvale Preparatory School
Independent Catholic school · Grades 6–12
476 students
Lutherville, MD
B-Overall gradeAll girls476 students
From official public records, updated October 2026.