| Application deadline | January 31, 2027 (2027 cycle) | April 19, 2027 (2027 cycle) | Unconfirmed — check official site |
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| Cost | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site | $2,750 (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 | Catalog terms: Housing: $0; Meals: $0; 2027: Unconfirmed — check official site | Application fee: $0; Deposit to reserve a spot: $100. Due once the application is approved; Suggested spending money: $100–$150 (2027 cycle) | Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | 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 |
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| Eligibility | Grade 12 (provider uses rising grades) | Grades 10–11; 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 | Residency: PA; Requirement: Open to rising grade 12; Requirement: Must have completed junior year immediately before the program | Requirement: Open to grades 10–11; Requirement: Open in the summer after sophomore or junior year (students finishing grade 10 or 11); Requirement: One year of chemistry or physics | 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 |
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| Session dates or duration | Starts June 27, 2027; Ends July 31, 2027; 5 weeks (2027 cycle) | Starts June 7, 2027; Ends July 22, 2027 (2027 cycle) | Catalog terms: 8–10 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 | Residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Pittsburgh, PA | Terre Haute, IN | Participating university, government, and industry research sites; virtual projects may also be offered |
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| Selection and application | Selection: PGSS describes a statewide application and admission process but the current official pages publish neither cohort size, applicant count nor acceptance rate. Application materials: Narrative essay introducing yourself and why you want to attend PGSS; Topical essay on a significant influence on your interest in science or an achievement; Two teacher recommendations from different PGSS core subjects; School counselor recommendation | Selection: Earlier 2026 instructions described selective application followed by first-come session placement after approval. Confirm the current 2027 review and placement process; no acceptance rate is published. Application materials: Recommendation from a counselor or teacher | 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 2026-10-24Source 2 · checked 2026-10-24 | 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 2026-08-20 |
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