| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | December 31, 2026 (2027 cycle) |
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| Cost | $10,200 (2027 cycle) | Last year's cycle (2026): $790–$1,320; 2027: Unconfirmed — check official site | $3,650–$6,550 (2027 cycle) |
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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): Need-based financial aid (up to 100% of base tuition): Amount: Unconfirmed — check official site. Open to Bay Area students completing grades K-10 and returning 11th graders; does not cover transportation, textbooks, supplies or program fees; not available to extended-deadline applicants.; 2027: Unconfirmed — check official site | Limited case-by-case need assistance (no formal aid program): Amount: Unconfirmed — check official site (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) | Last year's cycle (2026): 2026 nonrefundable application fee: $60–$90. $60 for domestic students; $90 for students attending school outside the US.; Need-based financial aid (up to 100% of base tuition): Amount: Unconfirmed — check official site. Open to Bay Area students completing grades K-10 and returning 11th graders; does not cover transportation, textbooks, supplies or program fees; not available to extended-deadline applicants.; 2027: Unconfirmed — check official site | Application fee (includes a one-year Concord Review eBook subscription): Amount: Unconfirmed — check official site; Limited case-by-case need assistance (no formal aid program): Amount: Unconfirmed — check official site (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 | Grades 10–12 (provider uses rising grades) | Grades 7–11 when applying; summer rising grade is one higher | 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 | Requirement: Open to students currently in grades 7–11 when applying; Requirement: Some courses have academic prerequisites; Requirement: Current 6th graders who attended ATDP before may apply for a small selection of courses with a very strong application | Requirement: Open to grades 9–12; Requirement: Rising 9th graders are eligible; younger students with strong academic readiness may be considered; Requirement: A chosen historical research topic and 3-5 books on it, read before the camp starts |
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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 June 22, 2026; Ends July 31, 2026; 4–6 weeks; 2027: Unconfirmed — check official site | Starts June 6, 2027; Ends August 13, 2027; 2–9 weeks (2027 cycle) |
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| Format | In person | In person / Online | Online / 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 | Berkeley, CA | Boston, Hotchkiss, Stanford, Vancouver, MA, CT, CA |
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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: Applications are reviewed on academic preparation, materials and course fit as they become complete. Classes generally cap at 20-24 students; returning students receive early priority but are not guaranteed admission or first-choice placement. Application materials: Academic product or essay (at least 500 words) | Selection: Current FAQ reports 18 students per session, 1:6 teacher-student ratio and more qualified applicants than places in many early cycles. No overall acceptance rate is published. TCR says it publishes roughly 5% of journal submissions, which is a separate process. Application materials: Optional teacher recommendation letter |
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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 2026-10-24Source 4 · checked 2026-10-24Source 5 · 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 2026-08-22Source 7 · checked 2026-08-20Source 8 · checked 2026-08-20 |
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