| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Last year's cycle (2026): Free attendance; check separate expenses; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): U.S. family-income guarantee: Amount: Unconfirmed — check official site. U.S. students from families under $80,000 attended free in 2026.; Full/partial need-based aid and international aid: Amount: Unconfirmed — check official site. Aid available where cost is a barrier; international aid considered case by case.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: UW credit or residency tuition assistance: Amount: Unconfirmed — check official site. Assistance may cover up to 100% of the applicable UW credit or residency fee, subject to funding; families qualifying for government assistance are prioritized. No independent universal award amount is published.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): U.S. family-income guarantee: Amount: Unconfirmed — check official site. U.S. students from families under $80,000 attended free in 2026.; Full/partial need-based aid and international aid: Amount: Unconfirmed — check official site. Aid available where cost is a barrier; international aid considered case by case.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: Phase Two deposit after lottery acceptance: $925. Fifty percent of the $1,850 residency fee; part of the total, not an additional charge.; UW credit or residency tuition assistance: Amount: Unconfirmed — check official site. Assistance may cover up to 100% of the applicable UW credit or residency fee, subject to funding; families qualifying for government assistance are prioritized. No independent universal award amount is published.; 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 9–12; Grade timing: Unconfirmed — check official site | Grade 11 when applying; summer rising grade is one higher |
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| Additional eligibility | Ages 14–18; Residency: Students from the United States and abroad are eligible; international financial aid is case by case; Requirement: Be age 14-18 by the applicable program cutoff; Requirement: Have completed grade 9 or equivalent before the session; Requirement: Not be enrolled full time in a college or university by the program's first day; Requirement: Be available for the entire six-week residential session and comply with dormitory, curfew, visiting, safeguarding, and conduct rules; Requirement: Independently attempt the official application problem set and explain experiments, conjectures, proofs, and partial progress; Requirement: Submit the required recommendation, transcript, form, short answers, and any financial-aid documents; Requirement: Retain scratch work and be prepared to explain reasoning if originality is verified; Exclusion: Applicants outside the age/education window or already full-time college students at program start; Exclusion: Collaborative, copied, AI-assisted, internet-generated, uncited, or inadequately explained problem-set work; Exclusion: Applicants unable to reside for the full six weeks or follow residential/safety expectations; Exclusion: Assuming all eight problems must be solved or that prior advanced courses/research are required; Exclusion: Assuming selection guarantees aid, publication, conference presentation, college credit, recommendation, admission advantage, internship, or job | Minimum age 15; Requirement: Be enrolled in high school during the application academic year and remain in good academic standing; Requirement: Be at least 15 by the program start for CompBio, CoSBBI, or Surgery computational placements; Requirement: Be at least 16 by the program start for wet-lab Cancer Biology, TDX, Pathobiology, ICI, VISION, or WCRC placements; Requirement: Graduating seniors must not be enrolled in college courses during the summer program; Requirement: Commit to the full seven-to-eight-week, 30-35-hour weekly schedule and mandatory first and final weeks; Requirement: Arrange housing and transportation for any in-person or hybrid placement; Requirement: Meet site-specific safety, health, onboarding, vaccine, confidentiality, and research requirements; Exclusion: Applicants younger than 15 by the program start are ineligible; students younger than 16 are limited to computational sites; Exclusion: A graduating senior taking college courses during the program is ineligible under the published 2026 rule; Exclusion: A job, sport, vacation, or other summer program cannot interfere with required Hillman hours; Exclusion: Remote or hybrid work is not available for every research site or project; Exclusion: Need-based compensation is not automatic for all admitted students | Residency: The previously cited 2025 FAQ states Washington residency; the current student application requirement is unconfirmed.; Requirement: Be a current high-school junior during Phase One; Requirement: Washington residency is stated in the previously cited 2025 FAQ; confirm the current application requirement; Requirement: Successfully meet Phase One requirements to qualify for optional UW credit and the Phase Two lottery; Requirement: If accepted for Phase Two, accept the invitation and pay the deposit or receive assistance; Exclusion: Purchasing UW credit and participating in Phase Two are optional; Exclusion: Phase Two uses a lottery; completing Phase One does not guarantee a residency place |
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| Session dates or duration | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts June 15, 2026; Ends July 31, 2026; 7–8 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Format | In person | In person / Online / Hybrid | Online / In person / Hybrid |
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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 | Unconfirmed — check official site |
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| Location | Boston, Boston University campus, Massachusetts | Pittsburgh, Pennsylvania for most sites; limited remote or hybrid computational placements are site-specific | Seattle, Washington state |
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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 recommendation | Selection: Competitive application reviewed for site fit, preparation, essays, references, and available mentors; the public pages do not publish a universal acceptance rate. Application materials: Two application essays | Selection: Phase One applicants are accepted on a rolling basis while room is available. Phase Two is optional and uses a lottery among students meeting Phase One performance requirements. |
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| Official sources | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20Source 5 · checked 2026-08-20Source 6 · checked 2026-08-20 | Source 1 · checked 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-21Source 4 · checked 2026-08-21Source 5 · checked 2026-08-20 | Source 1 · checked 2026-10-12Source 2 · checked 2026-08-22 |
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