| Application deadline | Unconfirmed — check official site | January 13, 2027 (2027 cycle) | March 31, 2027 (2027 cycle) |
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| Cost | Catalog terms: $790–$5,925; 2027: Unconfirmed — check official site | $4,180–$15,980 (2027 cycle) | Unconfirmed — check official site |
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| Financial aid | Catalog terms: Scholarship and personalized assistance: Amount: Unconfirmed — check official site. Scholarships, personalized prices, payment plans, and some non-monetary barter are available; award amounts are individualized.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | Catalog terms: Scholarship and personalized assistance: Amount: Unconfirmed — check official site. Scholarships, personalized prices, payment plans, and some non-monetary barter are available; award amounts are individualized.; Optional station or airport pickup per direction: $0–$160. Bellows Falls $0, Keene $20, Concord $100, or Manchester airport $160 each way. Other travel remains family responsibility.; Optional extra-night accommodation: $25–$125. Family campsite $25 per night; student overnight $125. Standard expedition room/board inclusion should be confirmed for the selected program.; Optional equipment rental: $5–$20. Published per-program rental examples: rubber boots $5, rain coat $10, rain pants $10, sleeping pad $10, sleeping bag $20.; 2027: Unconfirmed — check official site | 2027 application fee: $75 (2027 cycle) | 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 | Unconfirmed — check official site | Unconfirmed — check official site | Grades 9–11; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | 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 | Ages 16–18; Citizenship: International students may apply to eligible formats with visa/English requirements; Citizenship: Financial aid is limited to U.S. citizens, permanent residents, and DACA recipients; Residency: Residential students live on campus; Residency: Commuters must live with a parent/guardian or approved adult age 25+ within reasonable commuting distance in New England; Residency: Online students participate from home; Requirement: Graduate high school and enter college in 2027, 2028 or 2029.; Requirement: Be at least 16 by June 13, 2027 and not turn 19 before July 31, 2027.; Requirement: Show maturity and academic readiness for intensive college-level work; Requirement: Meet selected-course prerequisites; Requirement: Submit English-proficiency evidence if English is not the native language; Requirement: Clear the calendar for the full program, especially residential study; Exclusion: An applicant may apply to only one Harvard Summer School high-school program in a year; Exclusion: International students using a Harvard-sponsored I-20 cannot take online classes; Exclusion: Participation does not guarantee Harvard College admission or another institution's acceptance of credit; Exclusion: No minimum GPA or required PSAT/SAT/ACT score is published | Residency: For the July program, reside in the United States; Residency: Physically attend high school in the United States; Residency: Remain in the United States for the duration of BWSI; Requirement: Register for the relevant BWSI online prerequisite course before summer consideration; Requirement: Complete the course-specific minimum online work; Requirement: Submit the separate summer enrollment application; Requirement: Meet the selected course's technical prerequisites; Requirement: Accepted students are generally finishing grade 11 and entering grade 12; Exclusion: Current high-school seniors, college students, and students below grade 9 were not eligible for the 2026 July program; Exclusion: Students living or attending school outside the United States could take online prerequisites but were not eligible for the centrally administered July program; Exclusion: Summer course modality and prerequisites vary by course |
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| Session dates or duration | Catalog terms: 1–3 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4–7 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person / Online | Online / In person |
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| Housing and supervision | Unconfirmed — check official site | Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Marlow, New Hampshire, Program-specific expedition routes, New Hampshire, Vermont, Maine, New York, Massachusetts, Kentucky, Lake Champlain and other program-specific destinations | Cambridge, Massachusetts | Cambridge, Massachusetts, Remote online prerequisite access |
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| Selection and application | 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: Harvard evaluates essays, transcripts/current grades, counselor report, GPA, maturity, readiness, and program fit holistically; it publishes no minimum GPA and does not require standardized academic tests. Application totals, admit rate, option/course capacities, waitlist odds, and scholarship odds are not published. Application materials: Student-created online application and short essays | Selection: Competitive summer selection based partly on prerequisite-course performance, technical preparation, essays, school-supporting information, and recommendation; online prerequisite access is broader. Application materials: Three essays of no more than 500 words each; One teacher or adult-mentor recommendation |
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| Official sources | Source 1 · checked 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-20 | Source 1 · checked 2026-10-09Source 2 · checked 2026-10-09Source 3 · checked 2026-10-09Source 4 · checked 2026-10-09Source 5 · checked 2026-10-09 | Source 1 · checked 2026-10-09Source 2 · checked 2026-10-09Source 3 · checked 2026-10-09Source 4 · checked 2026-10-09Source 5 · checked 2026-10-09Source 6 · checked 2026-10-09Source 7 · checked 2026-08-22 |
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