| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | $2,500–$9,500 (2027 cycle) | Last year's cycle (2026): $1,005–$6,105; 2027: Unconfirmed — check official site | $2,500–$5,800 (2027 cycle) |
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| Financial aid | Need-based financial assistance (after acceptance): Amount: Unconfirmed — check official site (2027 cycle) | Last year's cycle (2026): Need-based CTD financial aid: Amount: Unconfirmed — check official site. Limited funds, awarded as requests are received.; Sandra Dennhardt Technology Scholarship: Amount: Unconfirmed — check official site. For students with financial need applying to technology courses.; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | High-school program deposit (non-refundable, credited toward tuition): $300. Due within two weeks of acceptance.; Need-based financial assistance (after acceptance): Amount: Unconfirmed — check official site (2027 cycle) | Last year's cycle (2026): Need-based CTD financial aid: Amount: Unconfirmed — check official site. Limited funds, awarded as requests are received.; Sandra Dennhardt Technology Scholarship: Amount: Unconfirmed — check official site. For students with financial need applying to technology courses.; 2027: Unconfirmed — check official site | Application fee: $70. Non-refundable. (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 9–12; Grade timing: Unconfirmed — check official site | Grades 9–12 (provider uses rising grades) | Grades 7–12 (provider uses rising grades) |
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| Additional eligibility | Requirement: Open to students currently in grades 9–12 when applying; Requirement: Completed at least one high-school science course and one high-school mathematics course; Requirement: Rising freshmen are considered for the virtual program only; Requirement: SEA Expedition is open to rising sophomores through recent graduates; the SEA Shore courses are designed for rising juniors, seniors and recent graduates; Requirement: Must meet SEA's Essential Eligibility Criteria and be cleared to participate by SEA's medical team | Requirement: Open to rising grades 9–12; Requirement: Meet the selected course's CTD eligibility tier (accelerated, credit-bearing three-week courses are at the Indigo tier) | Requirement: Open to rising grades 7–12; Requirement: Course minimums vary: Physics of the Electric Guitar is for rising 8th graders and older, Fun with DNA is for rising 7th and 8th graders, and the Piano Program is for intermediate and advanced pianists ages 11-18 |
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| Session dates or duration | Catalog terms: Up to 3 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts June 28, 2026; Ends August 7, 2026; 1–3 weeks; 2027: Unconfirmed — check official site | Starts June 27, 2027; Ends July 24, 2027; 1–4 weeks (2027 cycle) |
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| Format | In person / Online | 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 | Woods Hole, MA | Evanston, IL | Lakeville, CT |
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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 essay questions; Interview (not required for SeaQuest or SEAscape/Ocean Studies on Cape Cod applicants) | Selection: Course-dependent academic admission using CTD eligibility tiers; applicants qualify through test scores, prior CTD coursework, or portfolio review, and courses may fill. Application materials: Qualifying above-grade-level test scores, or a grade report/unofficial transcript with CTD's online teacher recommendation form | Selection: Rolling, course-specific admission; Hotchkiss does not publish a program-wide acceptance rate. Application materials: Two teacher recommendations |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-10-24Source 6 · checked 2026-10-24Source 7 · checked 2026-10-24Source 8 · checked 2026-08-22Source 9 · checked 2026-08-22Source 10 · checked 2026-08-22 | Source 1 · checked 2026-10-24Source 2 · checked 2026-08-21Source 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 2026-10-24Source 6 · checked 2026-10-24Source 7 · checked 2026-10-24Source 8 · checked 2026-10-24Source 9 · checked 2026-10-24Source 10 · checked 2026-10-24Source 11 · checked 2026-08-21Source 12 · checked 2026-08-21 |
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