| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $7,401; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | 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): Application-fee waiver: $40. Available for students eligible for Free and Reduced Lunch or qualifying for financial aid.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): 2026 application fee: $85. Nonrefundable.; Enrollment deposit: $1,000. Nonrefundable and applied to the total.; Course materials and academic field trips: $300. Required 2026 fee.; Program and health-center fees: $429. $325 program fee plus $104 health-center fee.; Residential room and board: $3,440. Shared room and specified meals; not available as an option to international students because they must reside.; 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): Historical 2026 application processing fee: $40. Nonrefundable; waived for Free and Reduced Lunch eligibility or qualifying financial aid. The 2027 fee is unannounced.; Application-fee waiver: $40. Available for students eligible for Free and Reduced Lunch or qualifying for financial aid.; 2027: Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): Learning stipend based on internship hours: $500–$1,500; 2027: 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 10–12 (provider uses rising grades) |
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| Additional eligibility | Residency: Domestic and international high-school students; Requirement: Complete at least grade 9 before the program; Requirement: Pursue a rigorous high-school curriculum; Requirement: Attend every class from the first day with no late arrival; Requirement: International participants must obtain required immigration documents and meet health-insurance requirements; Exclusion: Late arrival or partial attendance was not allowed; Exclusion: International applicants could not choose commuter status; Exclusion: Admission to the summer program does not constitute or guarantee USC undergraduate admission | 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 | Residency: Remain in the United States throughout application, internship participation and program closure; Requirement: Be a rising grade 10, 11 or 12 student; Requirement: Have not previously completed an ASE internship; Requirement: Show interest in a math, science or STEAM career and readiness for a professional environment; Requirement: Live within 50 miles of selected positions or stay with adult family or friends nearby; Requirement: Have reliable transportation; Requirement: Have proof of health insurance; Requirement: Meet each selected position's skills, age and legal-status rules; Requirement: Attend required orientation, conference and symposium activities; Exclusion: Students may complete only one ASE internship during high school; Exclusion: ASE does not provide housing or transportation and does not allow students to live alone; Exclusion: Applicants cannot select a family member as mentor; Exclusion: Some roles require a minimum age by May 15; Exclusion: Contacting mentors without initiation may disqualify an applicant |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4–10 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | Hybrid |
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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 | Los Angeles, California | Boston, Boston University campus, Massachusetts | Portland, Corvallis, Oregon and southwest Washington position areas; every intern must attend at least one in-person ASE event |
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| Selection and application | Selection: Rolling admission based on academic preparation, essay, recommendation, transcript, and course capacity; popular classes can fill early. Application materials: Applicant-written 300-500 word essay; One online recommendation from a teacher, counselor, or mentor | 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: Competitive: more than 400 applicants for fewer than 100 positions, with roughly 75 internships typically offered. Matching also depends on position prerequisites and mentor rankings. Application materials: Two adult recommendation forms |
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| Official sources | Source 1 · checked 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-21 | 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 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22Source 6 · checked 2026-08-20 |
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