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Mathematical Staircase: MathILy
Overview
An intensive five-week residential mathematics program for mathematically talented high school students featuring undergraduate and graduate-level mathematics through inquiry-based instruction, with a two-week common curriculum, one-week student-led topics, and two weeks of advanced branch classes.
At a glance
Deadline
Apr 28168 days
Sessions
Jun2–5 wk sessions
Formats
Residential
Location
Bryn Mawr, PA
Cost
$3,000–$6,999from $6,175
Entering grades
9th, 10th, 11th, 12th
Application requirements
Application Parts
Three-part application: (1) Short Form, (2) Exam Assessing Readiness (4-hour timed test), (3) Not-as-short Form
Application Timeline
Rolling admissions starting Spring; full consideration before April 28, 2026
Decision Timeline
Decisions given within approximately one week of application completion
Deposit
Half the fee ($3,087.50) must be paid to reserve a spot; full fee due by May 19, 2026
Cost & sessions
Base fee $6,175 ($1,235/week). Need-based financial aid available for admitted students; full fee may be waived for students with significant need. Carina Fund and Polynera Fund guarantee met need for all admitted students in 2026. Mu Alpha Theta offers summer grants to student members.
Financial aid
Need-based financial aid available to admitted students only. Full fee may be waived for admitted students with significant demonstrated need. All admitted students' demonstrated financial need is met (funded by Carina Fund and Polynera Fund in 2026). U.S. students given priority over international students. Mu Alpha Theta members eligible for summer grants (must have been member for at least one semester).
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