| 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): $1,500; 2027: Unconfirmed — check official site | Last year's cycle (2026): $1,500–$5,700; 2027: Unconfirmed — check official site |
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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 | Last year's cycle (2026): Need-based financial aid: Amount: Unconfirmed — check official site. Up to the full program fee; requested in the online application with the first page of the family's most recent Form 1040.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Need-based scholarship (domestic students only): Amount: Unconfirmed — check official site. Partial or full; international students are not eligible.; 2027: 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 | Last year's cycle (2026): Nonrefundable enrollment deposit: $200. Due within 14 days of the acceptance notification.; Need-based financial aid: Amount: Unconfirmed — check official site. Up to the full program fee; requested in the online application with the first page of the family's most recent Form 1040.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Application fee: $75. Waived automatically for scholarship applicants.; First payment to confirm attendance after acceptance: $500. Need-based scholarship recipients may be exempt.; Need-based scholarship (domestic students only): Amount: Unconfirmed — check official site. Partial or full; international students are not eligible.; 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 10–12 (provider uses rising grades) | Grades 9–11 when applying; summer rising grade is one higher |
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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 | Ages 15–18; Requirement: Open to rising grades 10–12 | Requirement: Open to students currently in grades 9–11 when applying; Requirement: 3-week for-credit courses: current high school sophomores and juniors only; Requirement: 1-week non-credit courses: current high school first-years, sophomores and juniors |
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| Session dates or duration | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Starts June 19, 2027; Ends June 27, 2027 (2027 cycle) | Starts July 11, 2027; Ends July 30, 2027; 1–3 weeks (2027 cycle) |
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| Format | In person | In person | 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 | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Boston, MA | Granville, OH | Northfield, MN |
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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 | Selection: Track-specific audition or supplemental review on a rolling basis until capacity is reached; no current acceptance rate or track capacity is published. Application materials: One recommendation form completed online by a teacher or school counselor; Discipline-specific supplemental materials (audition or prompt videos) | Selection: Admission committee review is required, but Carleton does not publish applicant counts, cohort size, or an acceptance rate on the current pages. Application materials: Online application form with short essay answers (500 words or less); 3-week programs: one teacher recommendation from a related discipline; International applicants: English proficiency score, InitialView interview, passport copy and certification of finances |
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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 2026-10-24 |
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