| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Catalog terms: $790–$5,925; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Unconfirmed — check official site | 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 |
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| Expenses and aid conditions | Unconfirmed — check official site | 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 | 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 9–12; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | Requirement: Normally not have completed high school before class begins; Requirement: Demonstrate the mathematical maturity of an advanced high-school student; Requirement: Be prepared for intensive college-level lectures, problems, independent work, and mathematical communication; Requirement: Meet any future course-specific readiness or scheduling requirements; Exclusion: Assuming grades 9-12 is a fixed rule; sufficiently prepared middle-school students may apply; Exclusion: Assuming competition mathematics, prior research, a published prerequisite course, or Bay Area residence is required; Exclusion: Assuming admission, financial aid, academic credit, publication, recommendation, or a research result is guaranteed | 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 14–18; Requirement: Be a high-school student age 14-18; Requirement: Submit the program and scholarship interest form for the applicable cycle; Requirement: Complete registration, payment, residential, health, consent, and credit-eligibility steps if offered a place; Requirement: Participate in the full residential academy; Exclusion: College credit has restrictions and is not available to every participant; Exclusion: Interest-form submission does not guarantee admission, scholarship, waitlist movement, college credit, credit transfer, prize, startup funding, company formation, sales, University admission, or admissions advantage |
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| Session dates or duration | Unconfirmed — check official site | Catalog terms: 1–3 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Format | Unconfirmed — check official site | In person | In person |
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| Housing and supervision | Unconfirmed — check official site | Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Unconfirmed — check official site | Marlow, New Hampshire, Program-specific expedition routes, New Hampshire, Vermont, Maine, New York, Massachusetts, Kentucky, Lake Champlain and other program-specific destinations | Salt Lake City, Utah, University of Utah, Lassonde Studios |
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| Selection and application | Selection: Applicants must persuade Euler Circle that they are prepared and a good instructional fit; Euler Circle says ordinary seat scarcity usually is not the main constraint and does not publish acceptance statistics. | 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: The 2026 cohort reached capacity and accepted waitlist interest. Scholarships were limited and considered merit and need. Current cohort size, applicant count, acceptance rate, selection rubric, and waitlist movement are not published. |
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| Official sources | Source 1 · checked 2026-10-12Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20 | Source 1 · checked 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-20 | Source 1 · checked 2026-10-12Source 2 · checked 2026-08-22 |
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