| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $4,000; 2027: Unconfirmed — check official site | $5,793 (2027 cycle) | Last year's cycle (2026): Free attendance; check separate expenses; 2027: Unconfirmed — check official site |
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| Financial aid | Unconfirmed — check official site | Need-based financial assistance for application and program costs: Amount: Unconfirmed — check official site. Based on family income, family size and available COSMOS resources. (2027 cycle) | 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 | Application fee: Amount: Unconfirmed — check official site. Non-refundable; fee waivers can be requested.; Need-based financial assistance for application and program costs: Amount: Unconfirmed — check official site. Based on family income, family size and available COSMOS resources. (2027 cycle) | Last year's cycle (2026): Residential lodging: $0. Covered by STARTALK funding for accepted students.; Meals during the residential camp: $0. Covered by STARTALK funding for accepted students.; 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 9–12; Grade timing: Unconfirmed — check official site | Grades 9–12 (provider uses rising grades) | Grades 9–12 (provider uses rising grades) |
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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: California high school students only; Requirement: Open to rising grades 9–12; Requirement: Demonstrated academic excellence (a typical COSMOS student has a GPA of 3.5 or above) | Requirement: Open to rising grades 9–12; Requirement: Limited or no prior exposure to Chinese; Requirement: Priority consideration for students from the Southern Appalachian region, especially Western North Carolina and East Tennessee |
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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 | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts June 15, 2026; Ends July 3, 2026; 3 weeks; 2027: 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 | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA | Boone, NC |
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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: Each of six campuses accommodates roughly 160-200 students, and clusters typically enroll 20-25 with a commonly reported 5:1 student-to-faculty ratio. Admissions are competitive and based on academic merit relative to the selected topic, but applicant count and statewide acceptance rate were not published. Application materials: Online application with one personal statement; One teacher recommendation (two recommended) | Selection: Rolling admission to 18 places, with priority for Southern Appalachian students, especially western North Carolina and east Tennessee. No application count, acceptance rate, rubric, waitlist rule, or decision timeline is published. Application materials: Statement of interest (150-200 words) |
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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 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22Source 6 · checked 2026-08-22Source 7 · checked 2026-08-20 | Source 1 · checked 2026-10-24 |
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