| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $1,695–$2,195; 2027: Unconfirmed — check official site | Last year's cycle (2026): $2,500; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Unconfirmed — check official site | Last year's cycle (2026): Need-based scholarship (after acceptance): Amount: Unconfirmed — check official site; 2027: 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): Placement test: $50–$100. Non-refundable and non-transferable; special sessions cost $150 or more.; Late fee after the tuition payment deadline: $200; 2027: Unconfirmed — check official site | Last year's cycle (2026): Need-based scholarship (after acceptance): Amount: Unconfirmed — check official site; 2027: 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 4–12 (provider uses rising grades) | Grade 12 (provider uses rising grades) | Grades 10–12; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | Requirement: Open to rising grades 4–12; Requirement: Advanced Studies is for students in grades 7-12 | Requirement: Open to rising grade 12; Requirement: Recommended (not required): three years of high-school math and one year of chemistry or physics completed before the program | 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 June 28, 2026; Ends August 11, 2026; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts July 5, 2026; Ends August 1, 2026; 1 week; 2027: Unconfirmed — check official site | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) |
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| Format | Online | In person | In person |
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| Housing and supervision | Non-residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Live online in U.S. Eastern Time | West Lafayette, IN | Boston, MA |
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| Selection and application | Selection: Placement is academic and capacity-limited rather than governed by a published acceptance rate. Likely class sizes were 6-12 in early prealgebra levels and 6-16 in others, with stated caps of 16 or 20. | Selection: Rolling review until limited sessions fill; waitlist afterward. No acceptance rate is published. | 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 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 | 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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