| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | February 5, 2027 (2027 cycle) |
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| Cost | $2,499–$16,999 (2027 cycle) | Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Limited scholarship assistance: Amount: Unconfirmed — check official site. Primarily provided through mentoring organizations; individual scholarships are limited. (2027 cycle) | 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 |
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| Expenses and aid conditions | Summer Discovery application fee: $100. Nonrefundable and not applied to tuition; scholarship applicants denied aid may receive it back subject to listed program exceptions.; Limited scholarship assistance: Amount: Unconfirmed — check official site. Primarily provided through mentoring organizations; individual scholarships are limited. (2027 cycle) | 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 |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | 2027 summer stipend: $1,200 (2027 cycle) |
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| Eligibility | Grades 9–12; Grade timing: Unconfirmed — check official site | Grades 10–12; Grade timing: Unconfirmed — check official site | Grade 11 when applying; summer rising grade is one higher |
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| Additional eligibility | Residency: Domestic and international options are offered; destination and visa/entry requirements vary; Requirement: Be in grade 9-12 for the high-school offering; Requirement: Choose a campus and course matching the published grade and prerequisite rules; Requirement: Submit a complete application and $100 fee; Requirement: Meet program-specific health, conduct, housing and travel requirements; Requirement: Pay the updated 2027 deposit and balance after acceptance; Exclusion: Campus partnerships do not confer university student status or admission; Exclusion: Courses, grade ranges, dates, residential/commuter availability and academic prerequisites differ; Exclusion: The stale 2026 payment schedule is not a confirmed 2027 deadline; Exclusion: A certificate or recognition letter is not necessarily university credit or a transcript; Exclusion: Rolling review does not guarantee a preferred campus, course or roommate | 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 16; Citizenship: Legally authorized to work in the United States.; Residency: New York, New Jersey or Connecticut, within 25 miles of MSK’s main Upper East Side campus.; Requirement: Current high-school junior with a science GPA of at least 3.5, age 16 by June 2027 and availability for the entire eight weeks. |
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| Session dates or duration | Catalog terms: 2–6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Starts June 29, 2027; Ends August 20, 2027 (2027 cycle) |
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| Format | In person | In person | In person |
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| Housing and supervision | Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site | Unconfirmed — check official site |
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| Location | Los Angeles, New Haven, Hanover, Ann Arbor, Washington, Berkeley, Austin, Santa Barbara, Philadelphia, Vancouver, Oxford, Cambridge, Multiple university campuses; residential and commuter options vary by listing | Boston, Boston University campus, Massachusetts | Unconfirmed — check official site |
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| Selection and application | Selection: Qualified students are admitted first come on a rolling basis until program, course and housing capacity fills. Highly specialized partner programs may have additional selection rules. | 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 | Application materials: Short essays, one-page resume, all high-school unofficial transcripts and no more than two STEM teacher/counselor/research-mentor letters. Do not contact faculty for placement; offer acceptance within three days. Publication/competition use requires PI permission. |
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| Official sources | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22 | 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 2026-10-09 |
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