| 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 | Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): Need-based fee and travel aid: Amount: Unconfirmed — check official site. Covers 100% of demonstrated need for admitted students and can include round-trip airfare; requested after admission.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): Free for U.S. families with adjusted gross income under $80,000; need-based aid up to full cost: Amount: Unconfirmed — check official site. Aid for international students is decided case by case.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): Application fee: $0. Free to apply.; Need-based fee and travel aid: Amount: Unconfirmed — check official site. Covers 100% of demonstrated need for admitted students and can include round-trip airfare; requested after admission.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): Free for U.S. families with adjusted gross income under $80,000; need-based aid up to full cost: Amount: Unconfirmed — check official site. Aid for international students is decided case by case.; 2027: Unconfirmed — check official site |
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| Stipend or pay | Last year's cycle (2026): Lost-wages stipend (limited): $3,000; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grade 11 when applying; summer rising grade is one higher | Grades 9–12; Grade timing: Unconfirmed — check official site | Grades 10–12; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | Minimum age 15; Requirement: Open to students currently in grade 11 when applying; Requirement: Be at least 15 and not yet 19 during all program dates; Requirement: Have completed, or be completing by June for credit and a grade, any level of high school physics and precalculus (calculus if the school offers no physics); self-study does not qualify | Minimum age 16; Residency: San Diego County resident attending a REACH partner school; Requirement: Open to grades 9–12; Requirement: Completed the most recent semester of high school at a REACH partner school (Barrio Logan College Institute, Crawford, Del Lago Academy, Escondido, Hoover, Lincoln, Madison, Morse or Orange Glen); Requirement: At least 16 by the start of the pre-program boot camp; Requirement: At least one year each of high school chemistry and biology; Requirement: Minimum GPA of 3.0; Requirement: Commit to 40 hours per week, missing no more than 3 days; Requirement: Legally eligible to work in the United States, with a work permit if under 18; Requirement: Have not done the REACH summer internship before | Ages 14–18; Requirement: Open to grades 10–12; Requirement: Have completed 9th grade (or its equivalent) by the first day of the program; Requirement: Not yet enrolled as a full-time college or university student; Requirement: Graduating seniors may attend in the summer between high school and college or during a gap year |
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| Session dates or duration | Catalog terms: 5 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts June 22, 2026; Ends August 7, 2026; 7 weeks; 2027: Unconfirmed — check official site | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) |
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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 | Non-residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Albion, Milledgeville, McMinnville, River Falls, Waterville, Bethlehem, Galesburg, MI, GA, OR, WI, ME, PA, IL | La Jolla, CA | Boston, MA |
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| Selection and application | 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 recommendation from a math or science educator at your school (a second recommendation is preferred) | Selection: Only students at nine partner schools/programs were eligible in 2026. Finalists were interviewed and placements depended on laboratory/mentor capacity; no applicant total, cohort size or acceptance rate is published. Application materials: Virtual interview for finalists | 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 letter of recommendation |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-10-24Source 6 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-08-21Source 3 · checked 2026-08-21 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-20Source 5 · checked 2026-08-20Source 6 · checked 2026-08-20Source 7 · checked 2026-08-20 |
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