| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | February 9, 2027 (2027 cycle) |
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| Cost | Last year's cycle (2026): $4,580–$6,580; 2027: Unconfirmed — check official site | Last year's cycle (2026): $2,500; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): Summer application fee waiver: Amount: Unconfirmed — check official site. For U.S. citizens and permanent residents with household income under $80,000 or in a low-income support program; limited and first-come, first-served.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Need-based scholarship (after acceptance): Amount: Unconfirmed — check official site; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): Summer application fee: $95. Nonrefundable.; Summer application fee waiver: Amount: Unconfirmed — check official site. For U.S. citizens and permanent residents with household income under $80,000 or in a low-income support program; limited and first-come, first-served.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Need-based scholarship (after acceptance): Amount: Unconfirmed — check official site; 2027: Unconfirmed — check official site | Catalog terms: Processing fee (paid upon selection): $100; 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 11–12 and first-year college (provider uses rising grades) | Grade 12 (provider uses rising grades) | Grade 12 (provider uses rising grades) |
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| Additional eligibility | Minimum age 16; Requirement: Open to rising grades 11–13; Requirement: Medical students are not eligible | Requirement: Open to rising grade 12; Requirement: Recommended (not required): three years of high-school math and one year of chemistry or physics completed before the program | Requirement: Open to rising grade 12; Requirement: Must be a rising senior by summer 2027; Requirement: Must be enrolled in or have completed Algebra II or Integrated Math and Geometry; Requirement: Minimum official ACT math score of 25 (SAT math 590) |
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| Session dates or duration | Last year's cycle (2026): Starts July 13, 2026; Ends August 7, 2026; 2 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts July 5, 2026; Ends August 1, 2026; 1 week; 2027: Unconfirmed — check official site | Starts July 11, 2027; Ends July 16, 2027; 1 week (2027 cycle) |
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| Format | In person / Online | In person | In person |
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| Housing and supervision | Non-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 | Stanford, CA | West Lafayette, IN | Knoxville, TN |
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| Selection and application | Selection: Stanford describes CSI as highly competitive and says it receives more qualified applicants than it can accept, but it does not publish current application totals, cohort capacities by track, acceptance rate, waitlist size, or scoring cutoffs. Application materials: Essay prompt response(s); One recommendation from a recent STEM teacher | Selection: Rolling review until limited sessions fill; waitlist afterward. No acceptance rate is published. | Application materials: Two teacher recommendations (math and science); Optional STEM teacher recommendation; Video essay |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-09Source 5 · checked 2026-10-09Source 6 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 | Source 1 · checked 2026-10-24 |
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