#1 Best Montessori Schools in Fairfax County, VA
Green Hedges School
Montessori school · Grades Pre-K–8
The only Montessori school in Vienna
Vienna, VA
A+Overall grade132 students4 students per teacher
2026 lists
Best Montessori Schools in Fairfax County, VA
The highest-graded schools of this kind in Fairfax County, VA. Top 9 of 9 schools.
#2 Best Montessori Schools in Fairfax County, VA
Montessori School of Northern Virginia
Montessori school · Grades Pre-K–7
The largest of 52 Montessori schools in Virginia
Annandale, VA
A+Overall grade187 students6 students per teacher
#3 Best Montessori Schools in Fairfax County, VA
Siena Academy
Diocesan school · Ungraded
Smaller classes than 68% of Catholic schools nationwide
Great Falls, VA
AOverall grade103 students9 students per teacher
#4 Best Montessori Schools in Fairfax County, VA
Washington International Academy
Islamic school · Grades Pre-K–8
One of the 3 largest private schools in Virginia
Alexandria, VA
AOverall grade158 students6 students per teacher
#5 Best Montessori Schools in Fairfax County, VA
Montessori School of Northern Virginia
Montessori school · Grades Pre-K–7
One of the 3 largest Montessori schools in Virginia
Annandale, VA
AOverall grade186 students5 students per teacher
#6 Best Montessori Schools in Fairfax County, VA
Montessori School of McLean
Montessori school · Grades Pre-K–6
The only Montessori school in McLean
McLean, VA
A-Overall grade103 students9 students per teacher
#7 Best Montessori Schools in Fairfax County, VA
Aquinas Montessori School
Montessori school · Grades Pre-K–6
The largest Montessori school in Alexandria
Alexandria, VA
B+Overall grade70 students10 students per teacher
#8 Best Montessori Schools in Fairfax County, VA
Fiore Montessori School
Montessori school · Pre-K only
One of 2 preschools in Vienna
Vienna, VA
BOverall grade66 students9 students per teacher
#9 Best Montessori Schools in Fairfax County, VA
Guidepost Montessori at Chantilly
Montessori school · Grades Pre-K–8
Growing: enrollment up 214% since 2019–20
Chantilly, VA
B-Overall grade116 students15 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.