| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | November 1, 2026 (2027 cycle) |
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| Cost | Unconfirmed — check official site | Unconfirmed — check official site | Free attendance; check separate expenses (2027 cycle) |
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| Financial aid | Catalog terms: Need-based scholarships: Amount: Unconfirmed — check official site; 2027: Unconfirmed — check official site | 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 |
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| Expenses and aid conditions | Catalog terms: Course registration and materials fee (if accepted): $40; Need-based scholarships: Amount: Unconfirmed — check official site; 2027: Unconfirmed — check official site | 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 | Room: $0; Meals: $0 (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 10–12; Grade timing: Unconfirmed — check official site | Grades 10–11 when applying; summer rising grade is one higher |
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| Additional eligibility | Requirement: Open to grades 10–12; Requirement: Completed ninth grade before the summer program; Requirement: Strong interest in marine biology, environmental science and related fields; Requirement: Able to attend all orientation and training sessions and complete 12 shifts over six weeks | 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 | Residency: Mississippi; Requirement: Open to students currently in grades 10–11 when applying; Requirement: Has not previously attended the Mississippi Governor's School; Requirement: Meets at least one academic qualification: Mississippi gifted eligibility, composite ACT 25+, SAT 1250+, PSAT Selection Index 175+, or cumulative GPA 3.25+ on a 4.0 scale; Requirement: Demonstrates advanced ability in academic aptitude, creative thinking, leadership, or fine and/or performing arts |
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| Session dates or duration | Last year's cycle (2026): Starts June 22, 2026; Ends August 9, 2026; 2027: Unconfirmed — check official site | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Starts June 6, 2027; Ends June 19, 2027; 2 weeks (2027 cycle) |
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| Format | In person | In person | In person |
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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 | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Baltimore, MD | Boston, MA | Columbus, MS |
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| Selection and application | Selection: Qualified applicants receive required peer-and-staff interviews, with some placed on a waitlist. The Aquarium does not publish application totals, cohort size or acceptance rate. Application materials: In-person interview | 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 | Application materials: Two recommendation letters (one teacher, one community member); 2027 scholar prompt response (essay, video, presentation or other original format; AI use prohibited) |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24 | 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 2026-10-09Source 4 · checked 2026-10-09Source 5 · checked 2026-08-21 |
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