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Aidan Montessori School tuition & admissions

Washington, DCGrades Pre-K–6Day, coedaidanschool.org

Tuition 2026-27

$51,167

Highest grade band

Application deadline

January 15

2027

Students

153

8 students per teacher

Admission test

—

Tuition 2026-27
GradesDay
Young Children's Community (Toddler, ages 15 months-3), half-day 8:15am-11:15am$29,957
Young Children's Community (Toddler, ages 15 months-3), full-day 8:15am-3:00pm$39,480
Young Children's Community (Toddler, ages 15 months-3), all-day 8:15am-5:00pm$51,167
Primary (ages 3-6), half-day, limited spaces$29,500
Primary (ages 3-6), full-day$39,181
Lower Elementary (Grades 1-6 program)$40,089
Upper Elementary (Grades 1-6 program)$41,039

Financial aid: $849,044 to 37 students (about $22,947 each) in 2024, per the school's IRS Form 990.

How to apply
Entry grades—
Admission test—
InterviewRequired
Apply throughSchool's own portal
Application fee$60
DeadlineJanuary 15, 2027
Decisions releasedFebruary 26, 2027
School facts
Students153
Teachers (full-time equivalent)10
Students per teacher7.5
School days per year172
Endowment—
Annual revenue$7,011,625 (2024)
Head of school pay$257,583

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    Aidan Montessori School FAQ
    How much is Aidan Montessori School tuition?
    For 2026-27, tuition at Aidan Montessori School is $29,957 for grades Young Children's Community (Toddler, ages 15 months-3), half-day 8:15am-11:15am; $39,480 for grades Young Children's Community (Toddler, ages 15 months-3), full-day 8:15am-3:00pm; $51,167 for grades Young Children's Community (Toddler, ages 15 months-3), all-day 8:15am-5:00pm; $29,500 for grades Primary (ages 3-6), half-day, limited spaces; $39,181 for grades Primary (ages 3-6), full-day; $40,089 for grades Lower Elementary (Grades 1-6 program); $41,039 for grades Upper Elementary (Grades 1-6 program), per the school's website.
    When is the Aidan Montessori School application deadline?
    The main application deadline is January 15, 2027, and decisions are released February 26, 2027. Families apply through the school's own portal.
    Does Aidan Montessori School offer financial aid?
    Yes. Aidan Montessori School reported $849,044 in financial aid to 37 students on its 2024 IRS Form 990.
    How many students attend Aidan Montessori School?
    Aidan Montessori School enrolls 153 students in grades Pre-K–6, with about 8 students per teacher (NCES Private School Survey, 2023-24).

    More private schools in Washington, DC

    Sources: tuition and admissions from aidanschool.org (checked Oct 2026); enrollment from the NCES Private School Survey 2023-24; finances from the 2024 IRS Form 990. “—” means we couldn't find it.

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