This list is part of our larger Private School Guide.

Aidan Montessori School

2700 27th St., NW, Washington, DC, 20008; 202-387-2700

Ages: 18 months old—6th grade.

Tuition: $28,530 (half-day Young Children’s Community), $37,600 (full-day, 8:15 AM-3 PM, Young Children’s Community), $48,730 (all-day, 8:15-5, Young Children’s Community), $37,315 (primary), $38,180 (lower elementary), and $39,085 (upper elementary).

Total number of students: 158.

Mission statement: “ Aidan’s mission is to help children realize their full potential and become independent, self-motivated, personally and socially responsible citizens of the world. We do this by following the principles of Montessori education and by cultivating a community centered on curiosity, respect, humanity, and peace. We embrace

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