| 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 | 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 |
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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): 2026 enrolment deposit: $600. Paid with the application to hold space; future amount and refund terms must be checked.; 2026 non-refundable application fee: $99–$199. Started at $99 and increased to $149 and $199 at later application waves.; 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 |
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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 9–12; Grade timing: Unconfirmed — check official site | Grades 10–12; Grade timing: Unconfirmed — check official site |
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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 | Requirement: For high-school programmes, have completed eighth grade before the session; Requirement: Normally hold at least a 3.0 GPA or local equivalent; Requirement: Meet campus/course-specific age, health and prerequisite rules; Requirement: International applicants must demonstrate English proficiency; Requirement: Be available for the complete selected session; Exclusion: The aggregate listing does not mean every course is available at every campus; Exclusion: Most host universities do not run, sponsor or endorse the programme; Exclusion: Participation does not confer university admission or generally stated college credit; Exclusion: The 2026 season is closed | 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 |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 1–2 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person / Online | In person |
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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 | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Los Angeles, California | New York, Berkeley, Los Angeles, San Diego, Seattle, Washington, Durham, New Haven, Oxford, Multiple campus locations; options change by year | Boston, Boston University campus, Massachusetts |
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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: Applicants were reviewed against grade, GPA and programme-fit requirements, with decisions normally in 5-7 business days. Capacity was course/session-specific and could close early; no applicant or acceptance totals are published. Application materials: English-proficiency interview or accepted evidence for international applicants | 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 |
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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 2026-08-22Source 2 · checked 2026-08-22Source 3 · 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 |
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