| Application deadline | Unconfirmed — check official site | February 1, 2027 (2027 cycle) | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $4,000; 2027: Unconfirmed — check official site | Free attendance; check separate expenses (2027 cycle) | Unconfirmed — check official site |
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| Financial aid | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): Non-refundable registration fee: $50. Payable by check or wire transfer with the application.; Student Health Services fee (flat), listed with the room package: $66; Optional prepaid meal plan: $600. Refill-as-you-go is also possible.; 2027: Unconfirmed — check official site | On-campus boarding: $0. Covered by program funders.; Food: $0. Covered by program funders. (2027 cycle) | 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 9–12; Grade timing: Unconfirmed — check official site | Grades 10–11 when applying; summer rising grade is one higher | Unconfirmed — check official site |
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| Additional eligibility | Minimum age 16; Requirement: Open to grades 9–12; Requirement: At least 16 years old on or before July 4 of the program year, with no exceptions; Requirement: Unweighted GPA of 95/100 (3.8/4.0); Requirement: Standardized test scores (PSAT/SAT/ACT/AP/IB/Regents) at or above the 60th percentile; Requirement: At least three of English, Chemistry, Mathematics/Calculus, Physics and Biology; Requirement: International students must already hold documents to be legally present in the US for the program; no visa support | Residency: Texas high school students; Requirement: Open to students currently in grades 10–11 when applying; Requirement: Students enrolled in summer school during the program dates cannot participate (full-time attendance required) | Ages 16–18; Residency: US |
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| Session dates or duration | Last year's cycle (2026): Starts June 24, 2026; Ends August 7, 2026; 7 weeks; 2027: Unconfirmed — check official site | Starts June 20, 2027; Ends June 25, 2027 (2027 cycle) | 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 | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Stony Brook, NY | Austin, TX | Gartan, County Donegal |
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| Selection and application | Selection: Non-rolling review after the deadline using demanding age, GPA, test, coursework, transcript, recommendation, leadership, and application criteria. Application materials: Three letters of recommendation, one from a science teacher, submitted by the writers | Selection: McCombs describes desired qualities but publishes no current applicant count, cohort size, acceptance rate, fixed GPA cutoff, identity quota, geographic quota, scoring rubric, interview process, or waitlist policy. Historical cohort figures must not be treated as a future guarantee. Application materials: Essay(s); One letter of recommendation | Selection: ISAI accepts individuals and groups but does not publish current capacity, academic thresholds, selection criteria or acceptance rates for a public high-school cohort. |
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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 2026-10-09Source 6 · checked 2026-08-22Source 7 · checked 2026-08-22Source 8 · checked 2026-08-22 | Source 1 · checked 2026-10-24Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22 |
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