| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): $99; 2027: Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): Free for U.S. families with adjusted gross income under $80,000; need-based aid up to full cost: Amount: Unconfirmed — check official site. Aid for international students is decided case by case.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): Registration fee assistance for financial hardship: Amount: Unconfirmed — check official site. Admitted students tell the organizers upon acceptance.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): Free for U.S. families with adjusted gross income under $80,000; need-based aid up to full cost: Amount: Unconfirmed — check official site. Aid for international students is decided case by case.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): Application fee: $0. No application fee.; Registration fee assistance for financial hardship: Amount: Unconfirmed — check official site. Admitted students tell the organizers upon acceptance.; 2027: Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 10–12; Grade timing: Unconfirmed — check official site | Unconfirmed — check official site | Grades 9–12 when applying; check the provider's rules for graduating seniors |
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| Additional eligibility | Ages 14–18; Requirement: Open to grades 10–12; Requirement: Have completed 9th grade (or its equivalent) by the first day of the program; Requirement: Not yet enrolled as a full-time college or university student; Requirement: Graduating seniors may attend in the summer between high school and college or during a gap year | Ages 13–17 | Requirement: Open to students currently in grades 9–12 when applying; Requirement: Professional working proficiency in English; Requirement: Open to students from any country or U.S. state |
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| Session dates or duration | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Unconfirmed — check official site | Last year's cycle (2026): Starts June 23, 2026; Ends July 16, 2026; 2027: Unconfirmed — check official site |
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| Format | In person | In person | Online |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Boston, MA | Apple Valley, MN | Zoom; organized by Glohea at JHU in Baltimore, Maryland |
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| Selection and application | Selection: About 80 high-school students are selected through demonstrated mathematical thinking in the problem set, academic context, recommendation, transcript, and short answers. PROMYS does not publish the current applicant count or acceptance rate. Application materials: One letter of recommendation | Selection: The zoo closes applications when the summer cohort is filled, but it does not publish applicant counts, cohort size, interview process or selection rate. | Selection: Applications are reviewed holistically. The organizer publishes no minimum GPA, test requirement, acceptance rate or guarantee of admission; Student Speaker Series participation requires a separate post-admission application. Application materials: Short essays |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-20Source 5 · checked 2026-08-20Source 6 · checked 2026-08-20Source 7 · checked 2026-08-20 | Source 1 · checked 2026-10-24 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24 |
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