| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site |
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| Financial aid | 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): Need-based fee and participant-travel assistance: Amount: Unconfirmed — check official site. SSP committed to cover 100% of demonstrated need; exact award depends on family circumstances and may include participant airfare or other required travel.; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | 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 application fee: $0. Completely free to apply.; Need-based fee and participant-travel assistance: Amount: Unconfirmed — check official site. SSP committed to cover 100% of demonstrated need; exact award depends on family circumstances and may include participant airfare or other required travel.; 2027: Unconfirmed — check official site | Catalog terms: Residential university housing: $0. Scholars live in campus dormitories as part of the 100%-free residential program.; Residential-session meals: $0. The organizer describes scholars eating in the dining hall within the 100%-free experience.; 2027: Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Last year's cycle (2026): Lost-wages stipend: $3,000; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 10–12; Grade timing: Unconfirmed — check official site | Grade 11 when applying; summer rising grade is one higher | Grades 10–11 when applying; summer rising grade is one higher |
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| Additional eligibility | 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 | Ages 15–18; Requirement: Be a current high-school junior; Requirement: Be at least 15 and not yet 19 during all program dates; Requirement: Complete for credit and a grade by June any high-school physics plus precalculus; Requirement: If the school does not offer physics, complete calculus for credit and a grade by June instead; Requirement: Commit exclusively to the entire assigned residential session; Exclusion: Current freshmen, sophomores and seniors; Exclusion: Self-study used in place of the required graded coursework; Exclusion: Applicants unable to attend the complete assigned session; Exclusion: Applying to more than one SSP project in the same cycle | Residency: Preference for students at target schools or living within the published radius of Atlanta, Boston, Detroit/Ann Arbor, or Bay Area sites; Requirement: Minimum 3.0 GPA or equivalent; Requirement: Be in grade 10 or 11 when applying; Requirement: Demonstrate strong grade-level mathematics skills through state-standardized scores; Requirement: Attend a public high school or a private high school through scholarship; Requirement: Show strong interest in a computer-science degree or certification and a CS career; Requirement: Meet site-specific gender eligibility: male for Morehouse and female for Spelman; Exclusion: Applicants who do not meet every published requirement; SMASH states that there are no eligibility exceptions |
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| Session dates or duration | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 5 weeks; 2027: Unconfirmed — check official site | Catalog terms: 3 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | 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 | Boston, Boston University campus, Massachusetts | Albion, Milledgeville, McMinnville, River Falls, Waterville, Bethlehem, Galesburg, 2026 campus assigned after admission; campus list can change by cycle | Atlanta, Berkeley, Boston, Ann Arbor, Georgia, California, Massachusetts, Michigan |
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| Selection and application | 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: Admission is limited and holistic. SSP reported about 700 participants admitted across every 2026 track, but did not publish Astrophysics application totals or a track-specific acceptance rate. Application materials: One required recommendation from a current school math or science educator; Optional second recommendation, preferably from a math or science educator | Selection: Applicants must satisfy all published requirements, and geographic preferences apply; the current pages do not publish applicant counts or an acceptance rate. |
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| Official sources | 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 2026-08-20 | Source 1 · checked 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-21 |
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