| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | $10,200 (2027 cycle) | Unconfirmed — check official site | Last year's cycle (2026): $2,000–$10,201.92; 2027: Unconfirmed — check official site |
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| Financial aid | Need-based financial aid: Amount: Unconfirmed — check official site. About 40% of students receive aid; average award is 70% of tuition; awards include free or reduced-price gear rental and top packages include flights. (2027 cycle) | Last year's cycle (2026): Financial aid: Amount: Unconfirmed — check official site. Awarded upon acceptance; applications reviewed first-come, first-served.; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | Summer Term 2027 student account deposit: $500. Returned if unused.; Need-based financial aid: Amount: Unconfirmed — check official site. About 40% of students receive aid; average award is 70% of tuition; awards include free or reduced-price gear rental and top packages include flights.; Clarity financial aid application fee: $65. Only for aid applicants; automatically waived below a certain family income, or on request. (2027 cycle) | Last year's cycle (2026): Refundable damage deposit (2026): $150; Financial aid: Amount: Unconfirmed — check official site. Awarded upon acceptance; applications reviewed first-come, first-served.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Non-refundable application fee: $70; Honors program non-refundable deposit: $1,000. Due within two weeks of the admission decision.; 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 10–12 (provider uses rising grades) | Grades 11–12 (provider uses rising grades) | Grades 10–12 (provider uses rising grades) |
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| Additional eligibility | Ages 14–18; Requirement: Open to rising grades 10–12; Requirement: Willing to spend extended periods (10 days) outdoors in wilderness settings; no previous outdoor experience is required | Ages 16–18; Requirement: Open to rising grades 11–12; Requirement: Has completed sophomore year of high school and is returning to high school in the fall; Requirement: A diagnosed learning difference is not required | Ages 15–18; Requirement: Open to rising grades 10–12; Requirement: Six-week Honors program: rising high school seniors with a GPA of 3.5 or higher; Requirement: International applicants whose second language is English need a minimum TOEFL iBT 90, IELTS 6.5 or Duolingo 130, or a waiver after two years at an English-language school; Requirement: Students in in-person courses must be fully vaccinated by arrival on campus |
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| Session dates or duration | Starts June 27, 2027; Ends July 24, 2027; 4 weeks (2027 cycle) | Starts July 10, 2027; Ends July 31, 2027; 3 weeks (2027 cycle) | Starts June 27, 2027; Ends August 6, 2027; 2–6 weeks (2027 cycle) |
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| Format | In person | In person | In person / Online |
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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 | Leadville, CO | Putney, VT | Chestnut Hill, MA |
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| Selection and application | Selection: HMI describes a typical cohort of 12-20 students; it does not publish a current applicant count or acceptance rate. Application materials: Summer Term application with two essay questions; Two teacher recommendations (at least one from a core academic teacher); 15-30 minute interview with the admissions team | Selection: Admissions reviews fit for the structured program; no applicant, cohort or acceptance count is published. Financial aid is limited and first-come after acceptance. Application materials: Educational recommendations (form included in the application); Parent/guardian statement; Interview by phone or online | Selection: Seats were limited and complete applications were reviewed for academic readiness. Honors required at least a 3.5 GPA; no acceptance rate is published. Application materials: Statement of Purpose; Course-specific essay; Two letters of recommendation |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22Source 6 · checked 2026-08-22 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-08-22Source 4 · 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 2026-08-21Source 7 · checked 2026-08-21 |
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