| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): $1,299; 2027: Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): Need-based high-school assistance: Amount: Unconfirmed — check official site. Available after acceptance and reviewed rolling; award amount is not guaranteed.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): Application-fee and tuition waiver: $1,324. For 2026, 100% waivers were available with free/reduced-price lunch or Pell Grant documentation; Mason considered alternative hardship documentation case by case.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): High-school enrollment deposit: $300. Nonrefundable, due within two weeks of acceptance and credited to tuition under current payment policy.; Need-based high-school assistance: Amount: Unconfirmed — check official site. Available after acceptance and reviewed rolling; award amount is not guaranteed.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): 2026 ASSIP application processing fee: $25. Nonrefundable historical fee; full waiver available for documented financial need.; Application-fee and tuition waiver: $1,324. For 2026, 100% waivers were available with free/reduced-price lunch or Pell Grant documentation; Mason considered alternative hardship documentation case by case.; Commuting and local transportation: Amount: Unconfirmed — check official site. Students were responsible for transportation; Mason shuttles between Fairfax and Manassas were free, and low-cost general parking was usually available to non-Mason interns.; 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 9–12 (provider uses rising grades) | Grade 11 when applying; summer rising grade is one higher | Grade 9 and above; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | Requirement: Be a current high-school student or recent graduate eligible for the selected program; Requirement: Complete at least one high-school science and one high-school mathematics course; Requirement: Meet SEA essential-eligibility and medical-clearance requirements; Requirement: For SEA Expedition, be a rising sophomore through recent graduate under the 2026 rule; Requirement: For Pre-College Marine Biology, be a rising junior, senior or recent graduate under the 2026 rule; Exclusion: Rising freshmen are considered only for separately offered virtual programs; Exclusion: Eligibility differs by named program; Exclusion: No prior sailing experience was required for SEA Expedition; Exclusion: The current site has not announced a Summer 2027 high-school cycle; Exclusion: Participation does not guarantee credit, publication, recommendation or admission | Citizenship: U.S. citizens eligible regardless of residence; Citizenship: Non-U.S. citizens already in the United States on F-1 status eligible; Citizenship: Other U.S. visa holders must ask GSTEM to confirm eligibility; Residency: Non-U.S. citizens living outside the United States are not eligible; Requirement: Be a current high-school junior; Requirement: Show strong academic work, STEM aptitude, and demonstrated STEM interest; Requirement: Support GSTEM's mission of serving groups historically excluded from STEM; Requirement: Attend every day for all six weeks; Requirement: Do not participate in another program simultaneously; Exclusion: Current sophomores, seniors, and non-U.S. citizens living outside the United States; Exclusion: Applicants unable to attend the full six-week program | Minimum age 15; Requirement: Be a high-school or undergraduate student and not have graduated from university before or during the internship; Requirement: Be at least 15 by the first program day for remote and computer-lab internships; Requirement: Be at least 16 by the first program day for any wet-lab placement involving chemical, biological, mechanical, or electrical hazards; Requirement: Commit to the full eight-week, 30-hour-per-week internship, required orientation, training, mentor schedule, and final symposium; Requirement: Select one to three prospective mentors whose research, format, campus, and preferred skills fit the applicant; Exclusion: Wet-lab age 16 is a safety requirement with no exceptions; Exclusion: Students may participate for at most two summer sessions; Exclusion: Minors cannot use Mason-arranged campus housing; Exclusion: Preferred mentor skills are not universal prerequisites, and the program has no universal minimum GPA; Exclusion: Admission does not guarantee a patent, publication, award, paid position, or continued research role |
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| Session dates or duration | Catalog terms: 2–3 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 8 weeks; 2027: Unconfirmed — check official site |
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| Format | In person / Online | In person | In person / Online / Hybrid |
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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 | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Woods Hole, Woods Hole, Massachusetts; Cape Cod Bay and Gulf of Maine aboard SSV Corwith Cramer; virtual offerings when separately announced | New York City, New York | Fairfax, Manassas, Woodbridge, Virginia; mentor-specific remote and collaborating-institution placements |
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| Selection and application | Selection: Programs have 20-25 places and use holistic review of academics, reference, motivation and goals. SEA Expedition and Pre-College applicants interview; admission and first-choice program are not guaranteed. Application materials: Short-answer essays; Admissions interview for SEA Expedition or Pre-College | Selection: GSTEM admits 40 current juniors. Review is competitive and considers academic work, essays, STEM activities, and one recommendation. Application materials: Four short essays; One recommendation from a teacher, advisor, or counselor; Separate data-science essay for Winston Data Scholarship consideration | Selection: Competitive and mentor-matched. Review considers STEM coursework, GPA, experience, statements, mentor fit, and project needs; highly qualified applicants may be interviewed. No minimum GPA or overall acceptance rate is published. Application materials: Personal statements describing research interest, preparation, goals, and mentor fit; Possible mentor interview for highly qualified candidates |
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| Official sources | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22 | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22Source 6 · checked 2026-08-20 | Source 1 · checked 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-21Source 4 · checked 2026-08-21 |
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