| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | January 13, 2027 (2027 cycle) |
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| Cost | Last year's cycle (2026): $899; 2027: Unconfirmed — check official site | Unconfirmed — check official site | $4,180–$15,980 (2027 cycle) |
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| Financial aid | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | Unconfirmed — check official site | Unconfirmed — check official site | 2027 application fee: $75 (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 8–12 when applying; check the provider's rules for graduating seniors | Unconfirmed — check official site |
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| Additional eligibility | Ages 15–17; Requirement: For 2026, be a rising high-school sophomore, junior, or senior age 15-17; Requirement: Demonstrate academic performance, authentic media interest, and potential to benefit from and contribute to camp; Requirement: Be able to live in supervised shared university housing and remain on campus; Requirement: Submit original application responses without generative AI; Exclusion: Rising freshmen and current middle-school students were ineligible in 2026; Exclusion: Single rooms and alternative lodging were not permitted; Exclusion: Selection is competitive and the school cannot provide individual application feedback; Exclusion: The 2027 eligibility rules are not yet confirmed | Residency: Practical participation requires travel to Cornell's Ithaca campus; no formal geographic restriction is published; Requirement: Be in grade 8-12 for the current program; Requirement: Register for the Fall 2026 module by November 1 and indicate attendance for November 7 and 14; Requirement: Attend the scheduled on-campus lesson sequence; Requirement: Engage cooperatively in advanced mathematical questioning and problem solving; Exclusion: Students outside the announced grade band; Exclusion: Applicants unable to attend the on-campus dates; Exclusion: Additional topic-specific readiness restrictions if a future module publishes them | 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 |
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| Session dates or duration | Catalog terms: 1 week; 2027: Unconfirmed — check official site | Catalog terms: 2 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4–7 weeks; 2027: Unconfirmed — check official site |
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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 | Non-residential. Supervision and housing details: Unconfirmed — check official site | Unconfirmed — check official site |
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| Location | Phoenix, Arizona, ASU Downtown Phoenix campus and Gordon Commons residence hall | Ithaca, New York, Cornell University Malott Hall campus | Cambridge, Massachusetts |
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| Selection and application | Selection: Applications are reviewed for academic performance and media interest, with current juniors sometimes prioritized because of demand. The 2026 acceptance rate and 2027 capacity are not published on the current page. | Selection: No current competitive screen, capacity rule, or prerequisite is published beyond grades 8-12 and module registration; future topic-specific limits may apply. Application materials: The visible form does not request a recommendation letter or transcript; later form pages were not submitted or inspected | 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 |
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| Official sources | Source 1 · checked 2026-08-21Source 2 · checked 2026-08-21 | Source 1 · checked 2026-10-09Source 2 · checked 2026-10-09Source 3 · checked 2026-10-09Source 4 · checked 2026-08-20Source 5 · checked 2026-08-20Source 6 · 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 |
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