| 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 | $2,050 (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 | Unconfirmed — check official site |
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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 | Residential (stay on campus) for the week: $1,195. Air-conditioned single room, 3 meals a day, 24-hour supervision and evening activities; residents must be 16 or older.; Non-refundable registration deposit: $250 (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 (provider uses rising grades) |
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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 | Minimum age 14; Requirement: Open to rising grades 9–12; Requirement: Must be 16 or older to stay on campus; younger students attend as commuters |
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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 | Starts July 6, 2027; Ends August 6, 2027; 1 week (2027 cycle) |
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| Format | In person | In person | Online / In person |
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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 | Unconfirmed — check official site |
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| Location | Boston, MA | Los Angeles, CA | Bronxville, NY |
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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: Writers Week is open enrollment with no admissions application; workshops have up to 18 students and two teaching artists. The published 2027 session dates and virtual $985/on-campus $2,050 tuition are recorded. Current registration acceptance, capacity, waitlist and residence-package terms require confirmation; the enrollment model alone does not establish an open portal. |
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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 2026-08-22 |
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