#1 Best Private Middle Schools in Baltimore County, MD
The Bryn Mawr School
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
Baltimore, MD
A+Overall gradeAll girls709 students6 students per teacher
2026 lists
Best Private Middle Schools in Baltimore County, MD
Private schools in Baltimore County, MD with middle-school grades and the highest overall grades. Top 50 of 62 schools.
#2 Best Private Middle Schools in Baltimore County, MD
Notre Dame Preparatory School
Independent Catholic school · Grades 6–12
The only all-girls school in Towson
Towson, MD
A+Overall gradeAll girls828 students5 students per teacher
#3 Best Private Middle Schools in Baltimore County, MD
Gilman School
Independent school · Grades Pre-K–12
The largest independent school in Baltimore
Baltimore, MD
A+Overall gradeAll boys1,017 students6 students per teacher
#4 Best Private Middle Schools in Baltimore County, MD
St. Francis of Assisi School
Diocesan school · Grades Pre-K–8
Smaller classes than 84% of Catholic schools in Maryland
Baltimore, MD
A+Overall grade133 students9 students per teacher
#5 Best Private Middle Schools in Baltimore County, MD
Garrison Forest School
Independent school · Grades Pre-K–12
The only all-girls school in Owings Mills
Owings Mills, MD
A+Overall gradeAll girls475 students6 students per teacher
#6 Best Private Middle Schools in Baltimore County, MD
McDonogh School
Independent school · Grades Pre-K–12
The largest of 69 independent schools in Maryland
Owings Mills, MD
A+Overall grade1,416 students7 students per teacher
#7 Best Private Middle Schools in Baltimore County, MD
Friends School of Baltimore
Quaker (Friends) school · Grades Pre-K–12
One of the 3 largest Christian schools in Maryland
Baltimore, MD
A+Overall grade769 students9 students per teacher
#8 Best Private Middle Schools in Baltimore County, MD
St. Casimir Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 81% of Catholic schools in Maryland
Baltimore, MD
A+Overall grade200 students9 students per teacher
#9 Best Private Middle Schools in Baltimore County, MD
Greenspring Montessori School
Montessori school · Grades Pre-K–8
The only Montessori school in Lutherville
Lutherville, MD
A+Overall grade99 students5 students per teacher
#10 Best Private Middle Schools in Baltimore County, MD
Al-Rahmah School
Islamic school · Grades K–8
Serving families in Baltimore since at least 2011
Baltimore, MD
A+Overall grade214 students12 students per teacher
#11 Best Private Middle Schools in Baltimore County, MD
The Park School of Baltimore
Independent school · Grades Pre-K–12
99% of graduates go to four-year colleges
Baltimore, MD
A+Overall grade839 students8 students per teacher
#12 Best Private Middle Schools in Baltimore County, MD
Sisters Academy of Baltimore
Independent Catholic school · Grades 5–8
Smaller classes than 97% of Catholic schools in Maryland
Baltimore, MD
A+Overall gradeAll girls62 students6 students per teacher
#13 Best Private Middle Schools in Baltimore County, MD
Jemicy School
Independent school · Grades 1–12
Smaller classes than 83% of independent schools in Maryland
Ownings Mills, MD
A+Overall grade450 students5 students per teacher
#14 Best Private Middle Schools in Baltimore County, MD
Loyola Blakefield
Independent Catholic school · Grades 6–12
The only all-boys school in Towson
Towson, MD
A+Overall gradeAll boys1,018 students10 students per teacher
#15 Best Private Middle Schools in Baltimore County, MD
Mother Seton Academy
Independent Catholic school · Grades 6–8
Smaller classes than 77% of Catholic schools in Maryland
Baltimore, MD
A+Overall grade82 students10 students per teacher
#16 Best Private Middle Schools in Baltimore County, MD
St. Ignatius Loyola Academy
Independent Catholic school · Grades 5–8
Smaller classes than 73% of Catholic schools in Maryland
Baltimore, MD
A+Overall grade232 students10 students per teacher
#17 Best Private Middle Schools in Baltimore County, MD
The Lamb of God School
Christian school (nondenominational) · Grades K–8
Smaller classes than 61% of Christian schools in Maryland
Halethorpe, MD
A+Overall grade186 students7 students per teacher
#18 Best Private Middle Schools in Baltimore County, MD
New Century School the
Independent school · Grades Pre-K–8
Growing: enrollment up 63% since 2013–14
Baltimore, MD
AOverall grade67 students7 students per teacher
#19 Best Private Middle Schools in Baltimore County, MD
Calvert School
Independent school · Grades Pre-K–8
Small classes: about 8 students per teacher
Baltimore, MD
A-Overall grade630 students8 students per teacher
#20 Best Private Middle Schools in Baltimore County, MD
The Greenmount School
Independent school · Grades K–8
Growing: enrollment up 18% since 2011–12
Baltimore, MD
A-Overall grade113 students8 students per teacher
#21 Best Private Middle Schools in Baltimore County, MD
Yeshivas Toras Simcha
Jewish day school · Grades Pre-K–8
The smallest classes of any Jewish school in Pikesville
Pikesville, MD
A-Overall gradeAll boys129 students4 students per teacher
#22 Best Private Middle Schools in Baltimore County, MD
Beth Tfiloh Dahan Community School
Jewish day school · Grades Pre-K–12
99% of graduates go to four-year colleges
Baltimore, MD
A-Overall grade689 students8 students per teacher
#23 Best Private Middle Schools in Baltimore County, MD
Calvary Baptist School
Baptist school · Grades Pre-K–12
Smaller classes than 63% of Christian schools in Maryland
Baltimore, MD
A-Overall grade100 students9 students per teacher
#24 Best Private Middle Schools in Baltimore County, MD
Archbishop Borders School
Independent Catholic school · Grades Pre-K–8
Growing: enrollment up 89% since 2011–12
Baltimore, MD
B+Overall grade189 students14 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.