| Application deadline | January 26, 2027 (2027 cycle) | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site | Catalog terms: $500–$5,925; 2027: Unconfirmed — check official site | $2,500–$5,800 (2027 cycle) |
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| Financial aid | Unconfirmed — check official site | Catalog terms: Scholarships for families for whom the sliding-scale discount is not adequate: Amount: Unconfirmed — check official site; 2027: Unconfirmed — check official site | Limited financial aid: Amount: Unconfirmed — check official site. Apply with the Financial Aid Application. (2027 cycle) |
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| Expenses and aid conditions | Unconfirmed — check official site | Catalog terms: Deposit to reserve a place: Amount: Unconfirmed — check official site. Refund of tuition (less the deposit) for cancellations up to 90 days before the program.; Scholarships for families for whom the sliding-scale discount is not adequate: Amount: Unconfirmed — check official site; Optional pickup from Keene, Concord bus station or Manchester Airport (each way): $20–$160. Pickup from Bellows Falls, VT bus and train is free.; Optional student overnight fee: $125. Per night.; Optional equipment rentals (per program): $5–$20; 2027: Unconfirmed — check official site | Application fee: $70. Non-refundable.; Limited financial aid: Amount: Unconfirmed — check official site. Apply with the Financial Aid Application. (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 | Grade 12 when applying; check the provider's rules for graduating seniors | Unconfirmed — check official site | Grades 7–12 (provider uses rising grades) |
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| Additional eligibility | Minimum age 17; Citizenship: US citizen; Citizenship: US permanent resident; Requirement: Open to students currently in grade 12 when applying; Requirement: Enrolled at least half-time as a high school senior and graduated before the internship starts; Requirement: 18 years old by September 30, 2027; a graduating senior who is 17 on June 1, 2027 must have a permanent home address within 40 miles of an NIH campus; Requirement: Permanent residents must attend or be accepted to a U.S. educational institution | Ages 6–18; Requirement: Meet the exact age range for the selected program; published 2026 programs ranged from ages 6-10 to ages 15-18; Requirement: Show genuine personal interest and excitement about attending; Requirement: Be physically ready to participate in every required aspect of the selected program; Requirement: Ensure the family understands Kroka's philosophy, handbook, outdoor living, risk, and community approach; Requirement: Complete an introductory program or demonstrate prior technical experience when an advanced expedition requires it; Requirement: Be accepted based on fit, safety, capacity, and group composition; Exclusion: Registration and deposit do not guarantee acceptance; Exclusion: Students who cannot safely complete essential physical, technical, behavioral, medical, or community components without an agreed accommodation; Exclusion: Applicants outside the selected program's age band or without a stated technical prerequisite; Exclusion: Some rites-of-passage programs use gender-specific cohorts; verify the current inclusion policy directly | 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 | Unconfirmed — check official site | Catalog terms: 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 | In person | In person |
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| Housing and supervision | Non-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 | Bethesda, MD | Marlow, NH | Lakeville, CT |
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| Selection and application | Selection: There is no centralized selection. Individual NIH PIs search applications, interview candidates, choose interns and supply funding; satisfying minimum eligibility does not guarantee a match. Application materials: Personal statement; Two references who submit letters of recommendation; Outreach to NIH Principal Investigators and interviews with them | Selection: Fit- and safety-reviewed rather than first-come alone; Kroka may decline applicants, maintain waitlists, prefer group balance, and require prerequisites for technical programs. | 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 2026-08-22 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-08-21 | 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 2026-10-24Source 12 · checked 2026-08-21Source 13 · checked 2026-08-21 |
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