| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Catalog terms: $4,499–$15,999; 2027: Unconfirmed — check official site | $2,500–$9,500 (2027 cycle) |
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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 | Need-based financial assistance (after acceptance): Amount: Unconfirmed — check official site (2027 cycle) |
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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 | Catalog terms: Application fee (non-refundable): $100; Enrollment deposit (by enrollment date): $1,900–$3,500; International student registration fee: $239–$379. For students living outside the United States; $239 commuter, $379 residential.; 2027: Unconfirmed — check official site | High-school program deposit (non-refundable, credited toward tuition): $300. Due within two weeks of acceptance.; Need-based financial assistance (after acceptance): Amount: Unconfirmed — check official site (2027 cycle) |
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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 | Grades 9–12; Grade timing: Unconfirmed — check official site |
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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 | Requirement: Open to grades 9–12 | Requirement: Open to students currently in grades 9–12 when applying; Requirement: Completed at least one high-school science course and one high-school mathematics course; Requirement: Rising freshmen are considered for the virtual program only; Requirement: SEA Expedition is open to rising sophomores through recent graduates; the SEA Shore courses are designed for rising juniors, seniors and recent graduates; Requirement: Must meet SEA's Essential Eligibility Criteria and be cleared to participate by SEA's medical team |
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| Session dates or duration | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Catalog terms: 2–5 weeks; 2027: Unconfirmed — check official site | Catalog terms: Up to 3 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | In person / Online |
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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 | Los Angeles, CA | Woods Hole, MA |
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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: Programs have 20-25 places and use holistic review of academics, reference, motivation and goals. SEA Expedition and Pre-College applicants interview; admission and first-choice program are not guaranteed. Application materials: Short answer essay questions; Interview (not required for SeaQuest or SEAscape/Ocean Studies on Cape Cod applicants) |
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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 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-09Source 5 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-10-24Source 6 · checked 2026-10-24Source 7 · checked 2026-10-24Source 8 · checked 2026-08-22Source 9 · checked 2026-08-22Source 10 · checked 2026-08-22 |
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