| Application deadline | Unconfirmed — check official site | January 13, 2027 (2027 cycle) | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | $4,180–$15,980 (2027 cycle) | Last year's cycle (2026): $4,350; 2027: Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): Need-based financial aid: Amount: Unconfirmed — check official site. Historical 2026 terms included free attendance for domestic households below $85,000, case-by-case aid above that threshold and for international students, and possible travel grants. Confirm 2027 terms.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): Jeffery and Paula Gural Merit Scholarship: $4,350. Limited competitive full-tuition award for New York City public-school students; the 2026 deadline passed.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): HCSSiM application: $0. The official finance page says applying is and will remain free.; Need-based financial aid: Amount: Unconfirmed — check official site. Historical 2026 terms included free attendance for domestic households below $85,000, case-by-case aid above that threshold and for international students, and possible travel grants. Confirm 2027 terms.; 2027: Unconfirmed — check official site | 2027 application fee: $75 (2027 cycle) | Last year's cycle (2026): Nonrefundable registration fee included in tuition: $270. Already included within the $4,350 total, not additional.; Required art materials, software, printing, and field-trip travel and admission: $0. Included in tuition; optional personal materials may still cost extra.; Jeffery and Paula Gural Merit Scholarship: $4,350. Limited competitive full-tuition award for New York City public-school students; the 2026 deadline passed.; Daily lunch: Amount: Unconfirmed — check official site. Participants usually bring or purchase lunch; one communal lunch per week may be provided weather permitting.; 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 | Unconfirmed — check official site | Unconfirmed — check official site | Grades 10–12 (provider uses rising grades) |
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| Additional eligibility | Requirement: Be a high-school student who has not already graduated; Requirement: Show strong motivation for sustained, proof-oriented college-level mathematics; Requirement: Complete the applicant form, motivation letter, Interesting Test, and mathematical sponsor process when the next cycle opens; Requirement: Commit to the full six-week residential session under the published program model; Exclusion: Students who have already graduated from high school under the published FAQ; Exclusion: Assuming the historical Hampshire College campus, 2026 dates, or 2026 price applies in 2027; Exclusion: Assuming grades, college credit, admission to Hampshire College, or another college outcome | 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 | Ages 15–18; Residency: Open to local, out-of-area, and international students who can arrange lawful travel, local residence, and commuting; Residency: Gural Scholarship restricted to New York City public-school students; Requirement: Be age 15-18 and a rising high-school sophomore, junior, or senior or equivalent; Requirement: Commit to the full Monday-Thursday commuter schedule; Requirement: Arrange housing, daily transportation, and most lunches; Requirement: Studio Practice applicants should be experienced, self-motivated rising seniors; Requirement: International students must arrange travel status without Cooper Union student-visa sponsorship; Exclusion: Students outside the age or rising-grade band; Exclusion: Students requiring program-provided housing or a student visa; Exclusion: Applicants unable to attend one full-day concentration for all four weeks; Exclusion: Non-NYC-public-school students seeking the Gural Scholarship |
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| Session dates or duration | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4–7 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts July 13, 2026; Ends August 6, 2026; 4 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person / Online | In person |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | New residential campus for 2027 is not announced; Amherst, Massachusetts was the historical 2026 location | Cambridge, Massachusetts | New York, New York, The Cooper Union East Village campus in Manhattan |
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| Selection and application | Selection: Application review uses the form, letter, Interesting Test, and mathematical sponsor recommendation; no current acceptance rate or 2027 capacity is published. Application materials: One sponsor who knows the applicant in a mathematical context and can provide a recommendation | 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 | Selection: Paid enrollment was open and capacity-based without portfolio review; sections were limited to 16. Scholarship selection was competitive because awards were limited. Application materials: Gural Scholarship: scholarship application, at least five recent artwork images, and brief essay |
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| Official sources | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · 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 | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 |
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