| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | November 1, 2026 (2027 cycle) |
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| Cost | Unconfirmed — check official site | Last year's cycle (2026): $635–$15,987; 2027: Unconfirmed — check official site | Free attendance; check separate expenses (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 | Last year's cycle (2026): 2026 commuter track application fee: $25; 2026 commuter track registration fee: $585; 2026 commuter track document management fee: $73; 2026 international service fee (international visitors): $500; 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 11–12; Grade timing: Unconfirmed — check official site | Grades 10–11 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 | Minimum age 16; Requirement: Open to grades 11–12; Requirement: Must have completed 10th or 11th grade by the start of summer classes and continue high school in the fall; Requirement: Overall B average (3.0 GPA, weighted or unweighted); Requirement: Must be 16 by the program's age cutoff date; Requirement: High school graduates may apply only if they will be 16 or 17 during the summer; Requirement: Commuter track: California residents living in the Bay Area with family; Requirement: International students must meet English language requirements | 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 | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Catalog terms: 6–8 weeks; 2027: Unconfirmed — check official site | Starts June 6, 2027; Ends June 19, 2027; 2 weeks (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 | Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Boston, MA | Berkeley, CA | Columbus, MS |
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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: Complete applications were reviewed on a rolling basis, with course enrollment subject to capacity, prerequisites, and academic-department discretion. The program does not publish a current acceptance rate. | 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 2026-10-24Source 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 2026-08-21 | 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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