| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | February 1, 2027 (2027 cycle) |
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| Cost | Last year's cycle (2026): $885–$12,135; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): $2,400; 2027: 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 | Last year's cycle (2026): U.S. family-income guarantee: Amount: Unconfirmed — check official site. U.S. students from families under $80,000 attended free in 2026.; Full/partial need-based aid and international aid: Amount: Unconfirmed — check official site. Aid available where cost is a barrier; international aid considered case by case.; 2027: Unconfirmed — check official site | Last year's cycle (2026): 2026 need-based tuition aid: Up to $2,400. Limited partial or full aid based on documented need and available funding; applying did not affect admissions review.; 2027: 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 | Last year's cycle (2026): U.S. family-income guarantee: Amount: Unconfirmed — check official site. U.S. students from families under $80,000 attended free in 2026.; Full/partial need-based aid and international aid: Amount: Unconfirmed — check official site. Aid available where cost is a barrier; international aid considered case by case.; 2027: Unconfirmed — check official site | Last year's cycle (2026): 2026 standard application fee: $45. Nonrefundable; waived by using the separate eligible financial-aid application.; 2026 need-based tuition aid: Up to $2,400. Limited partial or full aid based on documented need and available funding; applying did not affect admissions review.; 2027: Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 10–12; Grade timing: Unconfirmed — check official site | Grades 10–12; Grade timing: Unconfirmed — check official site | Grades 9–12; Grade timing: Unconfirmed — check official site |
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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 | Ages 14–18; Residency: Students from the United States and abroad are eligible; international financial aid is case by case; Requirement: Be age 14-18 by the applicable program cutoff; Requirement: Have completed grade 9 or equivalent before the session; Requirement: Not be enrolled full time in a college or university by the program's first day; Requirement: Be available for the entire six-week residential session and comply with dormitory, curfew, visiting, safeguarding, and conduct rules; Requirement: Independently attempt the official application problem set and explain experiments, conjectures, proofs, and partial progress; Requirement: Submit the required recommendation, transcript, form, short answers, and any financial-aid documents; Requirement: Retain scratch work and be prepared to explain reasoning if originality is verified; Exclusion: Applicants outside the age/education window or already full-time college students at program start; Exclusion: Collaborative, copied, AI-assisted, internet-generated, uncited, or inadequately explained problem-set work; Exclusion: Applicants unable to reside for the full six weeks or follow residential/safety expectations; Exclusion: Assuming all eight problems must be solved or that prior advanced courses/research are required; Exclusion: Assuming selection guarantees aid, publication, conference presentation, college credit, recommendation, admission advantage, internship, or job | Minimum age 15; Citizenship: U.S. citizen, permanent resident, or individual on a valid visa; proof required for 2026; Residency: Attend a U.S. high school; Residency: Reside in the United States for the full program; Residency: Provide a U.S. address and report status changes; Requirement: Enter grade 9-12 in the fall following the program; Requirement: Be over age 14 by the program start; Requirement: Have a strong foundation in computer science, mathematics, and/or biology; math/programming or healthcare-project experience is strongly preferred; Requirement: Commit to every weekday 9 a.m.-1 p.m. Pacific session for two weeks; Requirement: Be able to collaborate virtually and complete a health-AI team project; Requirement: Submit one complete application and accurate status/residency documentation; Exclusion: International students and applicants residing outside the U.S. were ineligible in 2026; Exclusion: Applicants at non-U.S. high schools were ineligible; Exclusion: Only one submission was allowed; late, edited, or resubmitted applications were not accepted; Exclusion: Students may apply to the separate bootcamp but can enroll in only one AIMI summer program if accepted; Exclusion: Participation does not guarantee a recommendation, continued research, publication, conference abstract, academic credit, paid work, Stanford admission, or admission advantage |
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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: 2 weeks; 2027: Unconfirmed — check official site |
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| Format | In person / Online / Hybrid | In person | Online |
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| Housing and supervision | 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 | St. Louis, Missouri, Program-specific local field sites | Boston, Boston University campus, Massachusetts | Live online in Pacific time; applicants must attend a U.S. high school and remain in the U.S. |
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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: About 80 high-school students are selected through demonstrated mathematical thinking in the problem set, academic context, recommendation, transcript, and short answers. PROMYS does not publish the current applicant count or acceptance rate. Application materials: One recommendation | Selection: AIMI expected approximately 100 admissions, around 50 per session, and described high application volume. It does not publish the current applicant total, acceptance rate, score rubric, waitlist size, or aid-award rate. Application materials: Short essay responses; For aid: tax return, low-income-program documentation, official need letter, or explanatory financial-circumstances essay |
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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 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20Source 5 · checked 2026-08-20Source 6 · checked 2026-08-20 | Source 1 · checked 2026-10-11 |
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