| 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 | Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): 2026 summer-course scholarships (25 online, 10 on-campus): Amount: Unconfirmed — check official site. No specific eligibility required to apply.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): Deposit after acceptance (30% of program fee): Amount: Unconfirmed — check official site. 30% of the total program fee, sent after acceptance to reserve a spot.; 2026 summer-course scholarships (25 online, 10 on-campus): Amount: Unconfirmed — check official site. No specific eligibility required to apply.; 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 | 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: Currently studying and residing in the United States; Requirement: Be at least 14 by program start; Requirement: Be a current high-school student; Requirement: Demonstrate good programming ability in Python, Java, C/C++, or another language; Requirement: Understand computer-science fundamentals; Requirement: Commit to the full-time six-week commuter or virtual schedule; Requirement: Provide one science, mathematics, or computer-science teacher reference; Exclusion: Applicants under 14 at program start; Exclusion: Applicants not currently studying and residing in the United States; Exclusion: Applicants unable to commit to the complete schedule; Exclusion: Applicants whose skills do not match available mentor projects | Residency: Worldwide applicants; campus students must arrange lawful travel/residence in Italy; Requirement: Select a module matching current Latin/Greek level: part 1 beginner, part 2 after part 1/equivalent, or advanced seminar after stronger prior study; Requirement: Commit to the full intensive live schedule, tutor work, assignments, and substantial independent study; Requirement: For campus modules, reside at Villa Falconieri and follow Latin/Greek immersion, housing, conduct, meal, excursion, and schedule rules; Requirement: Receive acceptance before sending the required 30% deposit; Requirement: Provide travel/visa/insurance/health/guardian documentation required for Italy and campus residence where applicable; Exclusion: Treating the program as high-school-only or assuming a stated universal age range; Exclusion: Entering intermediate/advanced modules without the required prior language preparation; Exclusion: Using nonclassical languages in class contrary to immersion rules or being unable to meet the intensive schedule; Exclusion: Assuming a course will run if the 20-student minimum is not met; Exclusion: Assuming ECTS automatically transfers, or that completion guarantees admission, scholarship, recommendation, degree credit, internship, or job |
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| Session dates or duration | Catalog terms: 8–10 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts June 22, 2026; Ends August 15, 2026; 1–4 weeks; 2027: Unconfirmed — check official site |
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| Format | In person / Online | In person / Online | Online / In person |
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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 | Unconfirmed — check official site | Stony Brook, New York (commuter track), United States residency and study required; virtual track for students unable to commute | Frascati |
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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 of no more than two pages on a computing or data-analytics interest, motivation, programming skills, and past projects; One science, mathematics, or computer-science teacher recommendation submitted separately | Selection: Seats were limited, courses required at least 20 students to run, and placement depended on language preparation; no applicant count or acceptance rate was published. |
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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 2026-08-20Source 2 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20 |
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