| Application deadline | January 13, 2027 (2027 cycle) | November 15, 2026 (2027 cycle) | April 1, 2027 (2027 cycle) |
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| Cost | $4,180–$15,980 (2027 cycle) | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site | $600 (2027 cycle) |
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| Financial aid | Unconfirmed — check official site | Last year's cycle (2026): Fellowship project grant: $0–$1,000. Need- and merit-based, discretionary, and not guaranteed; eligible uses include project expenses or compensation for paid work forgone.; Later Research Scholar award: $2,000–$10,000. Historical 2026 Scholar-stage terms: top three received $10,000 and other selected Scholars at least $2,000. This is not guaranteed to a Fellow and 2027 terms are not announced.; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | 2027 application fee: $75 (2027 cycle) | Last year's cycle (2026): Application: $0. No application fee.; Fellowship project grant: $0–$1,000. Need- and merit-based, discretionary, and not guaranteed; eligible uses include project expenses or compensation for paid work forgone.; Later Research Scholar award: $2,000–$10,000. Historical 2026 Scholar-stage terms: top three received $10,000 and other selected Scholars at least $2,000. This is not guaranteed to a Fellow and 2027 terms are not announced.; 2027: Unconfirmed — check official site | Ohio State residence hall, linens, and supervision: $0. Included in the $600 fee.; Program meals: $0. Included in the $600 fee. (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 | Unconfirmed — check official site | Unconfirmed — check official site | Grades 9–11 when applying; summer rising grade is one higher |
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| Additional eligibility | 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 14–20; Residency: Applicants may be based almost anywhere, except where UK sanctions or operational payment restrictions prevent participation; Requirement: Meet the age 14-20 and pre-university requirements on the dates stated for the selected Foundations and Fellowship stages; Requirement: Have not started university or other tertiary education; gap-year applicants and applicants who left a course may apply; Requirement: Be able to participate in English; Requirement: Commit at least 10 flexible hours per week for eight weeks; Exclusion: Current university or tertiary-education students; Exclusion: Non-Trivial Ventures employees and their family members; Exclusion: Applicants whose location or status is restricted by applicable UK sanctions | Residency: Ohio resident; Requirement: Be a current high-school freshman, sophomore, or junior; Requirement: Submit a teacher recommendation; Requirement: Show ability to work on a team and willingness to learn new STEM concepts; Requirement: Be available for the full residential session; Exclusion: Students outside Ohio are not eligible; Exclusion: Individualized scholarships are not available |
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| Session dates or duration | Catalog terms: 4–7 weeks; 2027: Unconfirmed — check official site | Catalog terms: 8 weeks; 2027: Unconfirmed — check official site | Starts June 6, 2027; Ends June 17, 2027; 2 weeks (2027 cycle) |
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| Format | In person / Online | Online | In person |
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| Housing and supervision | Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Cambridge, Massachusetts | Applicants from almost anywhere; UK sanctions and payment restrictions apply | Columbus, Ohio, Ohio Supercomputer Center and The Ohio State University campus |
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| Selection and application | 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: Non-Trivial plans approximately 600 Research Foundations finalists and about 200 Research Fellows for 2027; final cohort sizes may change and no acceptance rate is published for the cycle. | Selection: Competitive and space-limited; applications are evaluated for teamwork and willingness to learn, but capacity and acceptance rate are not published. Application materials: One teacher recommendation |
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| Official sources | 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 2026-10-09Source 2 · checked 2026-10-09Source 3 · checked 2026-10-09Source 4 · checked 2026-10-09Source 5 · checked 2026-08-21Source 6 · checked 2026-08-21Source 7 · checked 2026-08-21 | Source 1 · checked 2026-10-09Source 2 · checked 2026-10-09Source 3 · checked 2026-08-22 |
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