#1 Largest Private Schools in Alexandria, VA
Bishop Ireton High School
Diocesan school · Grades 9–12
921 students
Alexandria, VA
B+Overall grade921 students12 students per teacher
2026 lists
Largest Private Schools in Alexandria, VA
The private schools in Alexandria, VA with the most students. Top 21 of 21 schools.
#2 Largest Private Schools in Alexandria, VA
The Basilica School of St. Mary
Parish school · Grades Pre-K–8
691 students
Alexandria, VA
BOverall grade691 students17 students per teacher
#3 Largest Private Schools in Alexandria, VA
St. Louis Catholic School
Parish school · Grades Pre-K–8
468 students
Alexandria, VA
BOverall grade468 students16 students per teacher
#4 Largest Private Schools in Alexandria, VA
Episcopal High School
Episcopal school · Grades 9–12
466 students
Alexandria, VA
A+Overall grade466 students7 students per teacher
#5 Largest Private Schools in Alexandria, VA
Immanuel Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
314 students
Alexandria, VA
B-Overall grade314 students20 students per teacher
#6 Largest Private Schools in Alexandria, VA
Calvary Road Christian School
Baptist school · Grades Pre-K–6
245 students
Alexandria, VA
B+Overall grade245 students16 students per teacher
#7 Largest Private Schools in Alexandria, VA
Calvary Road Christian School
Baptist school · Grades K–6
245 students
Alexandria, VA
B+Overall grade245 students13 students per teacher
#8 Largest Private Schools in Alexandria, VA
Blessed Sacrament Grade School & Early Childhood C
Parish school · Grades Pre-K–8
243 students
Alexandria, VA
A+Overall grade243 students10 students per teacher
#9 Largest Private Schools in Alexandria, VA
Alexandria Country Day School
Independent school · Grades K–8
199 students
Alexandria, VA
AOverall grade199 students7 students per teacher
#10 Largest Private Schools in Alexandria, VA
Browne Academy
Independent school · Grades Pre-K–8
192 students
Alexandria, VA
A+Overall grade192 students5 students per teacher
#11 Largest Private Schools in Alexandria, VA
Queen of Apostles Catholic School
Diocesan school · Grades K–8
159 students
Alexandria, VA
A+Overall grade159 students11 students per teacher
#12 Largest Private Schools in Alexandria, VA
Washington International Academy
Islamic school · Grades Pre-K–8
158 students
Alexandria, VA
AOverall grade158 students6 students per teacher
#13 Largest Private Schools in Alexandria, VA
Grace Episcopal School
Episcopal school · Grades Pre-K–5
83 students
Alexandria, VA
A+Overall grade83 students5 students per teacher
#14 Largest Private Schools in Alexandria, VA
The Linder Academy
Independent school · Grades K–8
73 students
Alexandria, VA
BOverall grade73 students8 students per teacher
#15 Largest Private Schools in Alexandria, VA
Aquinas Montessori School
Montessori school · Grades Pre-K–6
70 students
Alexandria, VA
B+Overall grade70 students10 students per teacher
#16 Largest Private Schools in Alexandria, VA
The Howard Gardner School
Independent school · Grades 6–12
56 students
Alexandria, VA
A+Overall grade56 students4 students per teacher
#17 Largest Private Schools in Alexandria, VA
Engleside Christian School
Baptist school · Grades Pre-K–6
51 students
Alexandria, VA
AOverall grade51 students11 students per teacher
#18 Largest Private Schools in Alexandria, VA
Alternative Paths Training School
Special education school · Grades 1–12
49 students
Alexandria, VA
B+Overall grade49 students5 students per teacher
#19 Largest Private Schools in Alexandria, VA
The Living Water School
Christian school (nondenominational) · Grades 2–12
32 students
Alexandria, VA
AOverall grade32 students7 students per teacher
#20 Largest Private Schools in Alexandria, VA
Montessori School of Alexandria
Montessori school · Grades Pre-K–4
25 students
Alexandria, VA
A-Overall grade25 students8 students per teacher
#21 Largest Private Schools in Alexandria, VA
The Del Ray Montessori School
Montessori school · Grades Pre-K–4
20 students
Alexandria, VA
A-Overall grade20 students5 students per teacher
From official public records, updated October 2026.