| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | $1,800 (2027 cycle) | Last year's cycle (2026): $1,005–$6,105; 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): Need-based CTD financial aid: Amount: Unconfirmed — check official site. Limited funds, awarded as requests are received.; Sandra Dennhardt Technology Scholarship: Amount: Unconfirmed — check official site. For students with financial need applying to technology courses.; 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): Need-based CTD financial aid: Amount: Unconfirmed — check official site. Limited funds, awarded as requests are received.; Sandra Dennhardt Technology Scholarship: Amount: Unconfirmed — check official site. For students with financial need applying to technology courses.; 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 | Grades 10–12 (provider uses rising grades) | Grades 9–12 (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 | Ages 14–17; Requirement: Open to rising grades 10–12; Requirement: In good academic standing with their school | Requirement: Open to rising grades 9–12; Requirement: Meet the selected course's CTD eligibility tier (accelerated, credit-bearing three-week courses are at the Indigo tier) |
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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 16, 2027; 1 week (2027 cycle) | Last year's cycle (2026): Starts June 28, 2026; Ends August 7, 2026; 1–3 weeks; 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 | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Boston, MA | Bethlehem, PA | Evanston, IL |
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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 | Unconfirmed — check official site | Selection: Course-dependent academic admission using CTD eligibility tiers; applicants qualify through test scores, prior CTD coursework, or portfolio review, and courses may fill. Application materials: Qualifying above-grade-level test scores, or a grade report/unofficial transcript with CTD's online teacher recommendation form |
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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 2026-08-21Source 3 · checked 2026-08-21 | Source 1 · checked 2026-10-24Source 2 · checked 2026-08-21Source 3 · checked 2026-08-20 |
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