| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: $2,990; 2027: Unconfirmed — check official site |
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| Financial aid | 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 | Catalog terms: Partial need-based scholarships (limited): Amount: Unconfirmed — check official site; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Catalog terms: Lunch on program days (provided): $0; 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 | Catalog terms: Application fee: $100. Refunded only if the student is not accepted; Optional Saturday field trip: $100; Partial need-based scholarships (limited): Amount: Unconfirmed — check official site; 2027: Unconfirmed — check official site |
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| Stipend or pay | Catalog terms: Mentee stipend: $1,200; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 10–11 when applying; summer rising grade is one higher | Grades 10–12; Grade timing: Unconfirmed — check official site | Grades 9–12 when applying; check the provider's rules for graduating seniors |
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| Additional eligibility | Residency: Washington State resident; Requirement: Open to students currently in grades 10–11 when applying; Requirement: Enrolled in a Washington State school in 10th or 11th grade; Requirement: No previous coding experience required; Requirement: Able to travel to UW Seattle Monday-Thursday for the whole 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 | Requirement: Open to students currently in grades 9–12 when applying |
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| Session dates or duration | Last year's cycle (2026): Starts July 6, 2026; Ends July 30, 2026; 4 weeks; 2027: Unconfirmed — check official site | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Last year's cycle (2026): Starts June 28, 2026; Ends July 25, 2026; 2027: Unconfirmed — check official site |
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| Format | In person | 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 | Seattle, WA | Boston, MA | West Lafayette, IN |
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| Selection and application | Selection: Every on-time application is reviewed equally, but UW does not publish seats, applicant totals, or an acceptance rate. | 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 2026 application documented gifted/talent indicators and course placement depended on eligibility and availability. Confirm the next-cycle process; no acceptance rate is published. Application materials: Historical 2026 instructions: One-to-two-page motivation essay or alternative media statement for new students; Historical 2026 instructions: Exactly two qualifying documents from transcript, IQ testing, achievement testing, teacher/mentor recommendation or talent-involvement documentation |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24 | 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 |
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