#1 Best Private Middle Schools in Potomac, MD
Our Lady of Mercy School
Diocesan school · Grades Pre-K–8
The only Catholic school in Potomac
Potomac, MD
A+Overall grade182 students8 students per teacher
2026 lists
Best Private Middle Schools in Potomac, MD
Private schools in Potomac, MD with middle-school grades and the highest overall grades. Top 7 of 7 schools.
#2 Best Private Middle Schools in Potomac, MD
St. Andrew's Episcopal School
Episcopal school · Grades Pre-K–12
The only Christian school in Potomac
Potomac, MD
A+Overall grade673 students7 students per teacher
#3 Best Private Middle Schools in Potomac, MD
MC Lean School of Maryland
Independent school · Grades K–12
90% of graduates go to four-year colleges
Potomac, MD
A+Overall grade469 students6 students per teacher
#4 Best Private Middle Schools in Potomac, MD
Connelly School of the Holy Child
Religious school · Grades 6–12
The only all-girls school in Potomac
Potomac, MD
A+Overall gradeAll girls350 students7 students per teacher
#5 Best Private Middle Schools in Potomac, MD
Bullis School
Independent school · Grades K–12
One of the 3 largest independent schools in Maryland
Potomac, MD
A+Overall grade1,027 students9 students per teacher
#6 Best Private Middle Schools in Potomac, MD
Muslim Community School/Alim Academy
Islamic school · Grades Pre-K–11
Small classes: about 6 students per teacher
Potomac, MD
AOverall grade129 students7 students per teacher
#7 Best Private Middle Schools in Potomac, MD
German International School Washington DC
Independent school · Grades Pre-K–12
Serving families in Potomac since at least 2011
Potomac, MD
BOverall grade472 students10 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.