#1 Fastest-Growing Private Schools in Washington, DC
Washington Jesuit Academy
Independent Catholic school · Grades 4–8
Enrollment up 82% in about a decade
Washington, DC
AOverall gradeAll boys138 students8 students per teacher
2026 lists
Fastest-Growing Private Schools in Washington, DC
Private schools in Washington, DC whose enrollment has grown the most over the past decade. Top 9 of 9 schools.
#2 Fastest-Growing Private Schools in Washington, DC
Milton Gottesman Jewish Day School of the Nation's
Jewish day school · Grades Pre-K–8
Enrollment up 76% in about a decade
Washington, DC
BOverall grade449 students8 students per teacher
#3 Fastest-Growing Private Schools in Washington, DC
Parkmont School
Independent school · Grades 6–12
Enrollment up 75% in about a decade
Washington, DC
AOverall grade70 students6 students per teacher
#4 Fastest-Growing Private Schools in Washington, DC
St. Johns College High School
Independent Catholic school · Grades 9–12
Enrollment up 72% in about a decade
Washington, DC
B+Overall grade1,794 students20 students per teacher
#5 Fastest-Growing Private Schools in Washington, DC
River School
Special education school · Grades Pre-K–5
Enrollment up 60% in about a decade
Washington, DC
AOverall grade134 students5 students per teacher
#6 Fastest-Growing Private Schools in Washington, DC
San Miguel School
Independent Catholic school · Grades 6–8
Enrollment up 46% in about a decade
Washington, DC
BOverall gradeAll boys89 students8 students per teacher
#7 Fastest-Growing Private Schools in Washington, DC
Edmund Burke School
Independent school · Grades 6–12
Enrollment up 14% in about a decade
Washington, DC
A+Overall grade315 students8 students per teacher
#8 Fastest-Growing Private Schools in Washington, DC
Capitol Hill Day School
Independent school · Grades Pre-K–8
Enrollment up 13% in about a decade
Washington, DC
A+Overall grade221 students4 students per teacher
#9 Fastest-Growing Private Schools in Washington, DC
Lowell School
Independent school · Grades Pre-K–8
Enrollment up 12% in about a decade
Washington, DC
A+Overall grade270 students4 students per teacher
From official public records, updated October 2026.