| 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 | 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) | Unconfirmed — check official site | Limited scholarship assistance: Amount: Unconfirmed — check official site. Provided primarily through mentoring organizations. (2027 cycle) |
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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) | Unconfirmed — check official site | Application fee (non-refundable): $100. Not applied toward tuition.; International Registration Fee for students living outside the U.S.: $239–$379. $379 for residential students and $239 for commuter students; includes U.S. health insurance coverage.; Limited scholarship assistance: Amount: Unconfirmed — check official site. Provided primarily through mentoring organizations. (2027 cycle) |
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| Stipend or pay | Unconfirmed — check official site | Catalog terms: End-of-summer participation stipend: $450; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 10–12 (provider uses rising grades) | Grades 9–12; Grade timing: Unconfirmed — check official site | Grades 9–12; Grade timing: Unconfirmed — check official site |
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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 | Residency: New York City or Newark; Requirement: Open to grades 9–12; Requirement: Identify as a young woman or gender-expansive youth; Requirement: Have not previously completed Summer Institute | Requirement: Open to grades 9–12 |
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| Session dates or duration | Starts June 27, 2027; Ends July 24, 2027; 4 weeks (2027 cycle) | Last year's cycle (2026): Starts July 6, 2026; Ends August 13, 2026; 6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 2–6 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | In person |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site | Unconfirmed — check official site |
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| Location | Leadville, CO | New York, Newark, NY, NJ | Eugene, New Haven, Los Angeles, Hanover, Ann Arbor, Washington, Berkeley, Austin, Santa Barbara, Vancouver, Oxford, Cambridge, OR, CT, CA, NH, MI, DC, TX |
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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: There are no academic or skill criteria, but admission is application- and group-interview-based; cohort size and acceptance rate are not published. Application materials: Group interview | Selection: Qualified students are admitted first come on a rolling basis until program, course and housing capacity fills. Highly specialized partner programs may have additional selection rules. |
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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 2026-08-21Source 3 · checked 2026-08-21Source 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 2026-08-22 |
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