| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $885–$12,135; 2027: 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 Arts & Sciences scholarship: Amount: Unconfirmed — check official site. Available to domestic and international students; amount varies and excludes travel, books/supplies, personal costs, computer, and Wi-Fi.; 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): Selective Arts & Sciences program application fee: $50. Nonrefundable; waivable for listed financial-hardship criteria. Registration-only programs may not charge it.; Post-admission enrollment deposit: $500. Nonrefundable for Summer Launch, Institutes, and Summer Scholars and deducted from total cost.; Optional 2026 commuter lunch plan for Summer Scholars: $375. Residential Scholars pricing includes room and meals.; Need-based Arts & Sciences scholarship: Amount: Unconfirmed — check official site. Available to domestic and international students; amount varies and excludes travel, books/supplies, personal costs, computer, and Wi-Fi.; 2027: Unconfirmed — check official site | 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 | Grades 10–12; Grade timing: 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 | Citizenship: Domestic and international eligibility varies by program; Arts & Sciences accepts international applicants subject to English and immigration requirements; Residency: National/international for many academic programs; Residency: St. Louis-area residency required for several paid research and environmental programs; Residency: Rural eligibility required for Rural Scholars Academy; Requirement: Select a specific WashU program and meet its grade, academic, course, location, and schedule requirements; Requirement: Summer Scholars applicants are current juniors/rising seniors; Requirement: Summer Institute and Launch applicants generally enter grades 10-12 depending on program; Requirement: Course prerequisites apply to some credit-bearing offerings; Requirement: International applicants may need English-proficiency and visa documentation; Exclusion: No single grade, residence, price, or application rule covers the whole umbrella; Exclusion: Local internships and field programs may exclude non-St. Louis-area applicants; Exclusion: Participation does not guarantee WashU undergraduate admission or admissions advantage; Exclusion: Credit transfer and high-school-credit recognition are controlled by the receiving school | 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: 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: 1–8 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 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 | In person / Online | Hybrid |
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| Housing and supervision | 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 | St. Louis, Missouri, Program-specific local field sites | Stony Brook, New York (commuter track), United States residency and study required; virtual track for students unable to commute | Participating university, government, and industry research sites; virtual projects may also be offered |
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| Selection and application | Selection: Selectivity ranges from registration-based online courses to holistic selective residential programs and competitive paid research. WashU does not publish one umbrella application count, acceptance rate, capacity, waitlist, or rubric; each linked unit controls its process. Application materials: For selective Arts & Sciences programs: short essays, $50 fee or qualifying waiver, transcript, and one teacher recommendation; Separate local-residency, research, portfolio, financial, rural, or employment materials for other WashU programs | 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: 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 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22 | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20 | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 |
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