| Application deadline | Unconfirmed — check official site | March 31, 2027 (2027 cycle) | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $4,750; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): Need-based partial scholarship: Amount: Unconfirmed — check official site. Requested within the online application; does not affect the admission decision.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | 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 |
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| Expenses and aid conditions | Last year's cycle (2026): Need-based partial scholarship: Amount: Unconfirmed — check official site. Requested within the online application; does not affect the admission decision.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | 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 |
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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 11–12 (provider uses rising grades) | Grades 10–11 when applying; summer rising grade is one higher | Grades 10–12; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | Citizenship: US citizen; Citizenship: US permanent resident; Requirement: Open to rising grades 11–12; Requirement: Strong understanding of English | Residency: US; Requirement: Open to students currently in grades 10–11 when applying; Requirement: Must live in and physically attend high school in the United States, and live in the US for the duration of the program; Requirement: Must register for and work through the free online prerequisite course for the chosen summer course before being considered | 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 |
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| Session dates or duration | Last year's cycle (2026): Starts July 19, 2026; Ends August 1, 2026; 2 weeks; 2027: Unconfirmed — check official site | Starts July 5, 2027; Ends August 1, 2027 (2027 cycle) | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) |
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| Format | In person | In person / Online | In person |
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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 | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Troy, NY | Cambridge, MA | Boston, MA |
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| Selection and application | Application materials: Essay; Recommendations | Selection: Competitive summer selection based partly on prerequisite-course performance, technical preparation, essays, school-supporting information, and recommendation; online prerequisite access is broader. Application materials: Three short essays (500 words or less each); One teacher or mentor recommendation | 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 |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-09 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-09Source 5 · checked 2026-10-09Source 6 · checked 2026-10-09Source 7 · checked 2026-08-22 | 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 |
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