| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | January 13, 2027 (2027 cycle) |
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| Cost | Unconfirmed — check official site | Last year's cycle (2026): $99; 2027: Unconfirmed — check official site | $4,180–$15,980 (2027 cycle) |
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| Financial aid | Unconfirmed — check official site | Last year's cycle (2026): Registration fee assistance for financial hardship: Amount: Unconfirmed — check official site. Admitted students tell the organizers upon acceptance.; 2027: Unconfirmed — check official site | Need-based SSP scholarship (partial): Amount: Unconfirmed — check official site. For U.S. citizens, permanent residents or DACA recipients with excellent academic records; awards typically cover only part of the cost. (2027 cycle) |
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| Expenses and aid conditions | Unconfirmed — check official site | Last year's cycle (2026): Application fee: $0. No application fee.; Registration fee assistance for financial hardship: Amount: Unconfirmed — check official site. Admitted students tell the organizers upon acceptance.; 2027: Unconfirmed — check official site | Application fee (non-refundable): $75; Need-based SSP scholarship (partial): Amount: Unconfirmed — check official site. For U.S. citizens, permanent residents or DACA recipients with excellent academic records; awards typically cover only part of the cost. (2027 cycle) |
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| Stipend or pay | Catalog terms: Summer I fellowship award/stipend: $4,000; 2027: Unconfirmed — check official site; Catalog terms: Summer II fellowship award: $4,000; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 10–12 when applying; check the provider's rules for graduating seniors | Grades 9–12 when applying; check the provider's rules for graduating seniors | Unconfirmed — check official site |
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| Additional eligibility | Requirement: Open to students currently in grades 10–12 when applying; Requirement: Family annual income must not exceed 300% of the Federal Poverty Guidelines, documented by a 1040, free/reduced lunch, SNAP/WIC, TRIO participation or SAT/ACT fee-waiver eligibility; Requirement: Must have completed at least one high school chemistry course; Requirement: Must demonstrate an interest in science and/or chemistry; Requirement: Students under 18 need a parent or guardian's permission; Requirement: In the 2026 cycle, graduating high school seniors were also eligible | Requirement: Open to students currently in grades 9–12 when applying; Requirement: Professional working proficiency in English; Requirement: Open to students from any country or U.S. state | Minimum age 16; Requirement: Will graduate from high school and enter college in 2027, 2028 or 2029; Requirement: At least 16 years old by June 13, 2027 and not turning 19 before July 31, 2027; Requirement: No minimum GPA requirement |
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| Session dates or duration | Catalog terms: 8–10 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts June 23, 2026; Ends July 16, 2026; 2027: Unconfirmed — check official site | Starts June 14, 2027; Ends August 6, 2027; 4–7 weeks (2027 cycle) |
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| Format | In person / Online | Online | 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 | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Participating university, government, and industry research sites; virtual projects may also be offered | Zoom; organized by Glohea at JHU in Baltimore, Maryland | Cambridge, MA |
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| Selection and application | Selection: Local coordinators select among financially and academically eligible applicants based on performance, science interest, full-summer availability, site capacity/budget, safe commute, and mentor/project fit. ACS publishes no single current acceptance rate. | Selection: Applications are reviewed holistically. The organizer publishes no minimum GPA, test requirement, acceptance rate or guarantee of admission; Student Speaker Series participation requires a separate post-admission application. Application materials: Short essays | 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: Program application with essays |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-10-24Source 6 · checked 2026-10-09 |
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