#1 Largest Private Schools in Fairfax, VA
Trinity Christian School of Fairfax
Christian school (nondenominational) · Grades K–12
757 students
Fairfax, VA
A+Overall grade757 students11 students per teacher
2026 lists
Largest Private Schools in Fairfax, VA
The private schools in Fairfax, VA with the most students. Top 9 of 9 schools.
#2 Largest Private Schools in Fairfax, VA
St. Leo the Great Catholic School
Diocesan school · Grades Pre-K–8
352 students
Fairfax, VA
AOverall grade352 students13 students per teacher
#3 Largest Private Schools in Fairfax, VA
Merritt Academy
Independent school · Grades Pre-K–8
149 students
Fairfax, VA
AOverall grade149 students8 students per teacher
#4 Largest Private Schools in Fairfax, VA
Gesher Jewish Day School
Jewish day school · Grades Pre-K–8
140 students
Fairfax, VA
AOverall grade140 students5 students per teacher
#5 Largest Private Schools in Fairfax, VA
The New School of Northern Virginia
Independent school · Grades 7–12
116 students
Fairfax, VA
A+Overall grade116 students6 students per teacher
#6 Largest Private Schools in Fairfax, VA
Palm Tree School
Islamic school · Grades K–12
108 students
Fairfax, VA
B+Overall grade108 students7 students per teacher
#7 Largest Private Schools in Fairfax, VA
Phillips School - Fairfax
Special education school · Grades 1–12
63 students
Fairfax, VA
BOverall grade63 students7 students per teacher
#8 Largest Private Schools in Fairfax, VA
St. Anthony Academy
Independent Catholic school · Grades Pre-K–8
46 students
Fairfax, VA
A+Overall grade46 students6 students per teacher
#9 Largest Private Schools in Fairfax, VA
Truro Preschool & Kindergarten
Early childhood program · Grades Pre-K–K
25 students
Fairfax, VA
B+Overall grade25 students10 students per teacher
From official public records, updated October 2026.