#1 Largest Private Schools in Herndon, VA
King Abdullah Academy
Independent school · Grades K–12
913 students
Herndon, VA
B+Overall grade913 students6 students per teacher
2026 lists
Largest Private Schools in Herndon, VA
The private schools in Herndon, VA with the most students. Top 6 of 6 schools.
#2 Largest Private Schools in Herndon, VA
Nysmith School for the Gifted
Independent school · Grades Pre-K–8
551 students
Herndon, VA
A+Overall grade551 students5 students per teacher
#3 Largest Private Schools in Herndon, VA
St. Joseph Catholic School
Diocesan school · Grades K–8
519 students
Herndon, VA
BOverall grade519 students18 students per teacher
#4 Largest Private Schools in Herndon, VA
Dominion Christian School
Christian school (nondenominational) · Grades K–12
333 students
Herndon, VA
BOverall grade333 students8 students per teacher
#5 Largest Private Schools in Herndon, VA
Guidepost Montessori at Herndon
Montessori school · Grades Pre-K–K
28 students
Herndon, VA
A-Overall grade28 students6 students per teacher
#6 Largest Private Schools in Herndon, VA
Montessori Country School
Montessori school · Grades Pre-K–1
22 students
Herndon, VA
A-Overall grade22 students6 students per teacher
From official public records, updated October 2026.