| 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): $1,695–$2,195; 2027: Unconfirmed — check official site | Last year's cycle (2026): $3,000–$4,000; 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 | Unconfirmed — check official site | Last year's cycle (2026): Sliding-scale tuition by household income: $200–$3,000. Estimated family tuition and fees by income; families can request additional aid on the enrollment form after acceptance.; 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): Placement test: $50–$100. Non-refundable and non-transferable; special sessions cost $150 or more.; Late fee after the tuition payment deadline: $200; 2027: Unconfirmed — check official site | Last year's cycle (2026): Sliding-scale tuition by household income: $200–$3,000. Estimated family tuition and fees by income; families can request additional aid on the enrollment form after acceptance.; 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 4–12 (provider uses rising grades) | Grades 6–10 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 | Requirement: Open to rising grades 4–12; Requirement: Advanced Studies is for students in grades 7-12 | Requirement: Open to students currently in grades 6–10 when applying; Requirement: Junior Division: in grade 6, 7 or 8 during the school year of application; Requirement: Senior Division: in grade 9 or 10, with at least a B average for the last full school term and the current year; Requirement: Classified as gifted by a Louisiana public school system, or scores on an acceptable aptitude test |
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| Session dates or duration | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Last year's cycle (2026): Starts June 28, 2026; Ends August 11, 2026; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts June 7, 2026; 7 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | Online | In person |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Non-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 | Live online in U.S. Eastern Time | Lake Charles, LA |
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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: Placement is academic and capacity-limited rather than governed by a published acceptance rate. Likely class sizes were 6-12 in early prealgebra levels and 6-16 in others, with stated caps of 16 or 20. | Selection: Applicants must meet gifted-identification or aptitude criteria and grade-specific requirements. Applications were reviewed until spaces filled; the program does not publish applicant counts, capacity, or an acceptance rate. |
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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 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-08-21 |
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