| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $699–$2,500; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): Limited need-based scholarships: Amount: Unconfirmed — check official site. Very limited; did not cover residential fees or international students. The separate GI Partners path listed eight Boston-area rising-senior awards below a household-income threshold.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): Residential housing and meals: $699–$2,097. USD 699 per week; included dormitory, three meals daily, supervision, and residential activities. Snacks excluded.; Seat deposit: $200–$500. USD 200 for one-week programs and USD 500 for three-week or remote programs; credited toward tuition.; Optional airport transportation: $50–$99. USD 50 departure one-way, USD 75 arrival one-way, or USD 99 round trip for 2026.; Optional linen rental: $50. Included sheets, pillowcase, and towel.; Limited need-based scholarships: Amount: Unconfirmed — check official site. Very limited; did not cover residential fees or international students. The separate GI Partners path listed eight Boston-area rising-senior awards below a household-income threshold.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Last year's cycle (2026): 2026 Summer I or Summer II fellowship: $4,000; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 6–12; Grade timing: Unconfirmed — check official site | Grades 10–12 when applying; check the provider's rules for graduating seniors | Unconfirmed — check official site |
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| Additional eligibility | Requirement: Select a course matching the student's entering grade and readiness; Requirement: Three-week programs: normally enter grade 8 through college and complete competitive admission; Requirement: One-week programs: perform at grade level or above and register while space remains; Requirement: Pre-high-school programs: meet the specific middle-school grade band; Requirement: Remote students need a suitable device and synchronous availability; Requirement: International students must arrange travel status and pay in full before BLI issues an invitation letter; Exclusion: Not every course accepts every grade in the umbrella range; Exclusion: Three-week and remote acceptance is not guaranteed; Exclusion: Housing, single-room requests, scholarships, preferred campus, airport transport, and course capacity are not guaranteed; Exclusion: International students were ineligible for the general need-based aid described in the 2026 FAQ | 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 | Requirement: American Legion Boys State gives selected high-school students hands-on experience creating and running a mock state government. Schools and local Legion posts usually recommend, interview and select delegates. Requirements, dates and costs are set by the state programme.
Two delegates from each Boys State programme may advance to Boys Nation in Washington, D.C. The national 2027 session is announced for summer, but that is not a shared Boys State application deadline or venue. Sponsorship and family-paid costs must be checked locally. |
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| Session dates or duration | Catalog terms: 1–3 weeks; 2027: Unconfirmed — check official site | Catalog terms: 8–10 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Format | In person / Online | Hybrid | Unconfirmed — check official site |
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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 | Unconfirmed — check official site |
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| Location | Boston, Massachusetts, Waltham, Massachusetts, Wellesley, Massachusetts, Weston, Massachusetts, Greater Boston | Participating university, government, and industry research sites; virtual projects may also be offered | Unconfirmed — check official site |
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| Selection and application | Selection: Three-week and remote programs used competitive rolling review based on academic record, curiosity, subject commitment, perspective, and experience. One-week and pre-high-school programs were capacity-based registration. Application materials: Student-written application essay | 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. | Unconfirmed — check official site |
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| Official sources | Source 1 · checked 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-21Source 4 · checked 2026-08-21Source 5 · checked 2026-08-20 | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 | Source 1 · checked 2026-10-09Source 2 · checked 2026-10-09Source 3 · checked 2026-08-21 |
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