| 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 | Catalog terms: $7,465; 2027: Unconfirmed — check official site |
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| Financial aid | Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: Need-based scholarship: Amount: Unconfirmed — check official site. Limited; only where family financial need can be reliably verified, including through partner schools and non-profit organizations.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: Need-based scholarship: Amount: Unconfirmed — check official site. Limited; only where family financial need can be reliably verified, including through partner schools and non-profit organizations.; Full-scholarship deposit (refunded after completing the program): Amount: Unconfirmed — check official site; 2027: Unconfirmed — check official site |
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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; Grade timing: Unconfirmed — check official site | Grades 9–12; Grade timing: 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 | Minimum age 14; Residency: US; Requirement: Open to grades 9–12; Requirement: Must be 14 or older by the start of the program; Requirement: Good programming skills (Python, Java, C/C++ or other) and an understanding of computer science fundamentals; Requirement: Must be currently studying and residing in the United States; Requirement: Able to commit to the full commuter or virtual program schedule | Requirement: Open to grades 9–12; Requirement: Must demonstrate academic excellence and proficiency in English |
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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 29, 2026; 6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 10 weeks; 2027: Unconfirmed — check official site |
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| Format | In person / Online | In person / Online | 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 | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Unconfirmed — check official site | Stony Brook, NY | Unconfirmed — check official site |
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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: Mentors evaluate application strength and fit to limited project capacity; each accepted student receives a mentor assignment with the offer. Application materials: Essay (maximum 2 pages) on a computing or data analytics interest, programming skills and past projects; Teacher recommendation letter (science, math or computer science) | Selection: Pioneer uses holistic review of academic history, essays, interests, school materials, a video interview, and proctored timed writing. Decisions generally take six to eight weeks and may be admit, conditional, waitlist, or deny. The official pages publish no acceptance rate or automatic GPA/test threshold, and placement capacity varies by discipline. Application materials: Short essays on each interest area; Long essay; Video interview and proctored timed writing test (if selected to advance) |
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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 2026-08-20Source 5 · checked 2026-08-20 |
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