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MathILy is a five-week residential summer program at Bryn Mawr College focused on discrete mathematics, combinatorics, and proof-based problem solving, admitting about 45 students a year. Applicants submit a Short Form, an Exam Assessing Readiness, and a longer application form, plus a recommendation; there's no transcript or standardized test requirement. Financial aid is based entirely on need, and the full $6,175 fee can be waived for admitted students who need it. A related, slightly less advanced track, MathILy-Er, shares the same application.
Who can apply
GradesGrades 9–12
Min GPA—
ScopeNational
StatesAll states
FieldsMathematics
SelectivityAbout 45 students admitted annually to MathILy
Logistics
Cost to you$6,175; full need-based aid available (guaranteed to meet demonstrated need)
Financial aidAvailable
StipendNone
FormatResidential
Length5 weeks, late June-early Aug (2026: Jun 28-Aug 1)
WhereBryn Mawr College, Bryn Mawr, PA
Applying
OpensShort Form from Oct; application in spring
DueNot yet posted (2026 cycle closed Apr 28)
You submitShort Form, Exam Assessing Readiness (EAR), longer application form, teacher recommendation