| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Last year's cycle (2026): $3,900; 2027: Unconfirmed — check official site | 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 | Last year's cycle (2026): Need-based scholarship assistance: Amount: Unconfirmed — check official site. Requires a financial-need application and supporting documents; amount and availability are not guaranteed.; 2027: Unconfirmed — check official site | 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 | Last year's cycle (2026): Nonrefundable application fee: $60. A fee waiver can be requested.; Need-based scholarship assistance: Amount: Unconfirmed — check official site. Requires a financial-need application and supporting documents; amount and availability are not guaranteed.; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): 2026 Summer I or Summer II fellowship: $4,000; 2027: Unconfirmed — check official site |
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| Eligibility | Unconfirmed — check official site | Grades 9–12; Grade timing: Unconfirmed — check official site | Grades 10–12 when applying; check the provider's rules for graduating seniors |
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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 | Requirement: Be a current high-school student or recent graduate before beginning college; Requirement: Earn As and Bs in high-school math and science; Requirement: Complete Algebra II; Requirement: Complete trigonometric functions and right-triangle problem solving; Requirement: Complete one full year of high-school chemistry and/or physics including lab, or meet the published AP substitution; Requirement: Attend daily live Eastern Time classes and complete about 28 hours of weekly coursework; Requirement: Meet English-proficiency documentation rules if a foreign national; Exclusion: The course is not an introductory low-commitment camp; Exclusion: Older students receive priority when space is limited; Exclusion: Students without required math/science preparation may not be ready or admitted; Exclusion: Lab-kit delivery deadlines and customs constraints can narrow international participation | Residency: Must be able to participate at an available Project SEED site or eligible virtual project; in-person site selection considers a safe daily commute; Requirement: Document household annual income at or below 300% of applicable Federal Poverty Guidelines; Requirement: Provide an accepted tax, free/reduced-lunch, SNAP/WIC, TRIO, or SAT/ACT fee-waiver eligibility document; Requirement: Preferably be a current high-school sophomore, junior, or senior; the 2026 cycle also allowed graduating seniors; Requirement: Have completed at least one high-school chemistry course and demonstrate interest in science or chemistry; Requirement: Obtain parent/guardian permission if under 18; Requirement: Be available for the full project, normally at least eight weeks and about 40 hours weekly for in-person research; Requirement: Meet the local site's commute, safety, lab, onboarding, and schedule requirements; Exclusion: Applicants who cannot document the financial-eligibility requirement; Exclusion: Applicants without completed high-school chemistry; Exclusion: Applicants unable to commit to the selected site's full schedule or safely commute for an in-person placement; Exclusion: Assuming prior lab experience is required or guarantees selection; Exclusion: Assuming application guarantees a placement, preferred lab, virtual option, $4,000 next-cycle amount, conference trip, publication, college credit, recommendation, scholarship, admission advantage, or job |
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| Session dates or duration | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 5 weeks; 2027: Unconfirmed — check official site | Catalog terms: 8–10 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | Online | Hybrid |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: 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 | Worldwide synchronous participation, subject to Eastern Time attendance and lab-kit shipping/customs feasibility | Participating university, government, and industry research sites; virtual projects may also be offered |
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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: Completed applications are academically reviewed. Rising juniors and seniors are typical, talented rising sophomores may be considered, and older students receive priority when space is limited. Programs can fill before final deadlines; no acceptance rate is published. Application materials: Required 175-225-word motivation essay; Optional 100-125-word context essay; One math/science/engineering/robotics/computer-science teacher recommendation in English | 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. |
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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 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-21Source 4 · checked 2026-08-21Source 5 · checked 2026-08-21Source 6 · checked 2026-08-21Source 7 · checked 2026-08-21 | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 |
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