| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | January 13, 2027 (2027 cycle) |
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| Cost | 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 8–12 when applying; check the provider's rules for graduating seniors | Grade 11 when applying; summer rising grade is one higher | Unconfirmed — check official site |
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| Additional eligibility | 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 | Residency: U.S. citizens may reside anywhere; Residency: Non-U.S. citizens must already live in the United States; F-1 students are explicitly eligible and other visa holders must confirm with GSTEM; Requirement: Be a current high-school junior at application time; Requirement: Demonstrate high aptitude in STEM; Requirement: Attend every day of the six-week program; Requirement: Not participate in another program simultaneously; Requirement: Be open to a mentor and research placement selected by GSTEM; Exclusion: Current sophomores and seniors are not eligible for the summer research program; Exclusion: Non-U.S. citizens living outside the United States are ineligible; Exclusion: The program is open to all genders; being a girl is not an eligibility requirement; Exclusion: Students may not miss part of the program or choose a specific mentor or research topic | 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: 2 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 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 | Non-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 | Ithaca, New York, Cornell University Malott Hall campus | New York City, New York | Cambridge, Massachusetts |
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| Selection and application | 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: GSTEM describes admission as competitive and admits 40 students each summer. Decisions consider high-school academics, essays, STEM activities, and one recommendation; applicant count and acceptance rate are not published. Application materials: Four essays; One recommendation from a teacher, advisor, or counselor; Optional Winston Data Scholarship essay | 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 2026-10-09Source 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 2026-08-21Source 4 · checked 2026-08-21Source 5 · checked 2026-08-21 | 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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