#1 Largest Private Schools in Loudoun County, VA
St. Paul VI Catholic High School
Diocesan school · Grades 9–12
1,183 students
Chantilly, VA
A+Overall grade1,183 students11 students per teacher
2026 lists
Largest Private Schools in Loudoun County, VA
The private schools in Loudoun County, VA with the most students. Top 27 of 27 schools.
#2 Largest Private Schools in Loudoun County, VA
Virginia Academy
Christian school (nondenominational) · Grades Pre-K–12
587 students
Ashburn, VA
B+Overall grade587 students14 students per teacher
#3 Largest Private Schools in Loudoun County, VA
St. Theresa Catholic School
Diocesan school · Grades K–8
432 students
Ashburn, VA
A+Overall grade432 students11 students per teacher
#4 Largest Private Schools in Loudoun County, VA
Loudoun Country Day School
Independent school · Grades Pre-K–8
310 students
Leesburg, VA
BOverall grade310 students8 students per teacher
#5 Largest Private Schools in Loudoun County, VA
Fairfax Christian School
Christian school (nondenominational) · Grades K–12
305 students
Dulles, VA
A+Overall grade305 students8 students per teacher
#6 Largest Private Schools in Loudoun County, VA
The Hill School
Independent school · Grades K–8
251 students
Middleburg, VA
AOverall grade251 students7 students per teacher
#7 Largest Private Schools in Loudoun County, VA
Our Lady of Hope Catholic School
Parish school · Grades K–8
220 students
Potomac Falls, VA
A+Overall grade220 students11 students per teacher
#8 Largest Private Schools in Loudoun County, VA
Temple Baptist Church
Baptist school · Grades Pre-K–12
200 students
Dulles, VA
AOverall grade200 students11 students per teacher
#9 Largest Private Schools in Loudoun County, VA
Foxcroft School
Independent school · Grades 9–12
147 students
Middleburg, VA
A+Overall gradeAll girls147 students6 students per teacher
#10 Largest Private Schools in Loudoun County, VA
Guidepost Montessori
Montessori school · Grades K–6
121 students
Aldie, VA
BOverall grade121 students
#11 Largest Private Schools in Loudoun County, VA
Montessori School of Purcellville
Montessori school · Grades Pre-K–K
79 students
Purcellville, VA
B+Overall grade79 students4 students per teacher
#12 Largest Private Schools in Loudoun County, VA
The Newton School
Independent school · Grades K–8
78 students
Sterling, VA
A+Overall grade78 students5 students per teacher
#13 Largest Private Schools in Loudoun County, VA
Fusion Academy Loudoun
Alternative school · Grades 6–12
70 students
Leesburg, VA
A-Overall grade70 students4 students per teacher
#14 Largest Private Schools in Loudoun County, VA
Hidayah Academy
Islamic school · Grades 6–12
70 students
Ashburn, VA
A-Overall grade70 students7 students per teacher
#15 Largest Private Schools in Loudoun County, VA
Goddard School-Ashburn
Early childhood program · Grades Pre-K–K
63 students
Ashburn, VA
B+Overall grade63 students39 students per teacher
#16 Largest Private Schools in Loudoun County, VA
Loudoun School for Advanced Studies
Independent school · Grades 6–12
52 students
Ashburn, VA
A+Overall grade52 students3 students per teacher
#17 Largest Private Schools in Loudoun County, VA
Loudoun School for the Advanced Studies
Independent school · Grades 6–12
51 students
Ashburn, VA
AOverall grade51 students4 students per teacher
#18 Largest Private Schools in Loudoun County, VA
Montessori Academy at Belmont Greene
Montessori school · Grades Pre-K–4
50 students
Ashburn, VA
A+Overall grade50 students4 students per teacher
#19 Largest Private Schools in Loudoun County, VA
Goddard School of Leesburg
Early childhood program · Grades Pre-K–K
47 students
Leesburg, VA
AOverall grade47 students2 students per teacher
#20 Largest Private Schools in Loudoun County, VA
Village Montessori School of Bluemont
Montessori school · Grades Pre-K–9
47 students
Bluemont, VA
AOverall grade47 students6 students per teacher
#21 Largest Private Schools in Loudoun County, VA
The Aurora School
Special education school · Grades 2–12
44 students
Leesburg, VA
BOverall grade44 students7 students per teacher
#22 Largest Private Schools in Loudoun County, VA
St. James Preschool
Early childhood program · Pre-K only
42 students
Leesburg, VA
B+Overall grade42 students11 students per teacher
#23 Largest Private Schools in Loudoun County, VA
Karter School of South Riding
Montessori school · Grades Pre-K–K
35 students
Chantilly, VA
A-Overall grade35 students3 students per teacher
#24 Largest Private Schools in Loudoun County, VA
Montessori Childrens House of Loudoun
Montessori school · Grades Pre-K–3
26 students
Sterling, VA
A-Overall grade26 students5 students per teacher
From official public records, updated October 2026.