| Application deadline | February 12, 2027 (2027 cycle) | Unconfirmed — check official site | March 1, 2027 (2027 cycle) |
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| Cost | Last year's cycle (2026): $1,299; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): Financial-need waiver of application fee and tuition: Amount: Unconfirmed — check official site. 100% waiver with free/reduced-price lunch or Pell Grant documentation; alternative documentation can be discussed.; 2027: Unconfirmed — check official site | 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 | Last year's cycle (2026): Nonrefundable application processing fee: $25. Waivable for financial need.; Financial-need waiver of application fee and tuition: Amount: Unconfirmed — check official site. 100% waiver with free/reduced-price lunch or Pell Grant documentation; alternative documentation can be discussed.; 2027: Unconfirmed — check official site | 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 | Catalog terms: Weekly salary: $500; 2027: Unconfirmed — check official site |
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| Eligibility | Grades 9–12 and first-year college; Grade timing: Unconfirmed — check official site | Grades 10–12; Grade timing: Unconfirmed — check official site | Unconfirmed — check official site |
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| Additional eligibility | Minimum age 15; Requirement: Open to grades 9–13; Requirement: Must be at least 16 by the first program day for wet-lab internships with biological or chemical hazards; Requirement: Must not have graduated from university before or during the internship; Requirement: Students may take part for a total of two summer sessions | 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 | Citizenship: U.S. citizen; Residency: Enrolled at an Illinois high school; Requirement: Senior in 2027–28 or 2027 graduate; proof of insurance |
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| Session dates or duration | Last year's cycle (2026): Starts June 18, 2026; Ends August 12, 2026; 8 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Starts July 12, 2027; Ends August 6, 2027; 4 weeks (2027 cycle) |
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| Format | In person / Online / Hybrid | In person | Unconfirmed — check official site |
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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 | Unconfirmed — check official site |
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| Location | Fairfax, Manassas, Woodbridge, VA | Boston, Boston University campus, Massachusetts | Unconfirmed — check official site |
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| Selection and application | Selection: Competitive and mentor-matched. Review considers STEM coursework, GPA, experience, statements, mentor fit, and project needs; highly qualified applicants may be interviewed. No minimum GPA or overall acceptance rate is published. Application materials: Online application with personal statements; Interview for highly qualified candidates | 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 | Unconfirmed — check official site |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-21 | 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 2026-10-10 |
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