| 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) | Unconfirmed — check official site |
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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 | 2027 application fee: $75 (2027 cycle) | 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 | Unconfirmed — check official site |
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| Additional eligibility | Residency: Summer Immersion and College Intensive geographic eligibility varies; Residency: Caminos al Futuro requires enrollment in a U.S. high school; Requirement: Previously published selected 2026 route: Summer Immersion: be a rising high-school sophomore, junior or senior; Requirement: Previously published selected 2026 route: College Intensive: be a rising junior or senior and meet any course prerequisites; Requirement: Previously published selected 2026 route: Caminos al Futuro: be a rising senior at a U.S. high school and meet its selective program rules; Requirement: Previously published selected 2026 route: Demonstrate academic preparation and maturity through the transcript and statement; Requirement: Previously published selected 2026 route: International applicants must satisfy program-specific English, visa and document rules; Exclusion: Not every subject or course is offered every summer; Exclusion: Credit transfer is determined by the receiving institution; Exclusion: The fully funded Caminos terms do not apply to other Pre-College programs | 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 | Minimum age 16; Requirement: Daily Operations: age 16-20, 50+ summer service hours, interview, and mandatory orientation; Requirement: CIT: age 16+, at least two full camp weeks, interviews, and mandatory orientation and training; Requirement: Be at least 18 to assist with teen-camp weeks; Requirement: If selected, complete the City application and Level 2 background check; Exclusion: The City currently offers no Gumbo Limbo internships; Exclusion: Naturalist walks and specialized assignments require prior hours and additional training; Exclusion: Community-service hours for Daily Operations depend on completing more than 50 hours under program rules |
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| Session dates or duration | Unconfirmed — check official site | Catalog terms: 4–7 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Format | Unconfirmed — check official site | In person / Online | In person |
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| Housing and supervision | Unconfirmed — check official site | Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Unconfirmed — check official site | Cambridge, Massachusetts | Boca Raton, Florida, Gumbo Limbo Nature Center and assigned environmental camp sites |
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| Selection and application | Selection: GW reviews academic preparation, maturity and fit. Caminos is explicitly selective. The university does not publish a unified application count or acceptance rate across all Pre-College tracks. Application materials: Previously published selected 2026 route: Personal statement addressing academic interest, maturity and fit | 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: Only 35 applicants were accepted across the two 2026 summer tracks; interviews, availability, and program fit determine selection. Application materials: Interview with the volunteer coordinator for Daily Operations; Interviews with the volunteer coordinator and camp director for CIT |
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| Official sources | Source 1 · checked 2026-10-10Source 2 · checked 2026-10-10Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22Source 6 · checked 2026-08-22Source 7 · checked 2026-08-22 | 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 2026-08-22Source 3 · checked 2026-08-22 |
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