| Application deadline | Unconfirmed — check official site | February 17, 2027 (2027 cycle) | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | $9,500 (2027 cycle) | Last year's cycle (2026): $100; 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 | Limited need-based program fee assistance: Amount: Unconfirmed — check official site. U.S. citizens and permanent residents only; requested at the end of the application. (2027 cycle) | Last year's cycle (2026): Full financial aid: Amount: Unconfirmed — check official site; 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 | Non-refundable application fee: Amount: Unconfirmed — check official site; Non-refundable enrollment deposit: Amount: Unconfirmed — check official site. Due at the time of enrollment and counted toward the program fee.; Limited need-based program fee assistance: Amount: Unconfirmed — check official site. U.S. citizens and permanent residents only; requested at the end of the application. (2027 cycle) | Last year's cycle (2026): Full financial aid: Amount: Unconfirmed — check official site; 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 10–11 (provider uses rising grades) |
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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 | Minimum age 15; Requirement: Minimum 3.0 GPA or equivalent, with a preference for strong math and science performance; Requirement: Non-native English speakers need an English proficiency test score unless they attended an English-medium school for two or more years | Requirement: Open to rising grades 10–11 |
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| Session dates or duration | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Starts July 11, 2027; Ends July 30, 2027; 3 weeks (2027 cycle) | Last year's cycle (2026): Starts August 10, 2026; Ends August 14, 2026; 2027: Unconfirmed — check official site |
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| Format | In person | In person | In person |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | 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 | Philadelphia, PA | Providence, RI |
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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: Very selective holistic review of academic interests, abilities, achievement, peer contribution, and potential benefit. Penn publishes no current applicant count or acceptance rate. Application materials: Essay (two-page limit); One or two letters of recommendation, at least one from a STEM teacher | Unconfirmed — check official site |
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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 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-10-24Source 6 · checked 2026-10-24Source 7 · checked 2026-10-09Source 8 · checked 2026-10-09Source 9 · checked 2026-10-09Source 10 · checked 2026-10-09Source 11 · checked 2026-10-09Source 12 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24 |
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