| Application deadline | Unconfirmed — check official site | March 1, 2027 (2027 cycle) | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $5,518; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): 2026 need-based application and program assistance: Up to $5,564. Could assist with the $46 application fee and $5,518 program cost based on family income, family size and available funds; actual award not guaranteed.; 2027: 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): 2026 COSMOS application fee: $46. Nonrefundable; pending fee-waiver review could change when or whether payment was required.; Credit-card transaction fee on program payments: Amount: Unconfirmed — check official site. Approximately 2.5% when paying program costs by credit card; application fee exempt.; 2026 need-based application and program assistance: Up to $5,564. Could assist with the $46 application fee and $5,518 program cost based on family income, family size and available funds; actual award not guaranteed.; Full-financial-aid attendance deposit: $200. Required only for admitted students offered full aid and refunded to the legal guardian after successful completion.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Catalog terms: Weekly salary: $500; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 9–12 (provider uses rising grades) | Unconfirmed — check official site | Unconfirmed — check official site |
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| Additional eligibility | Residency: Attend high school in person in California; Requirement: Be rising into grade 9, 10, 11 or 12 for the program fall year; Requirement: Attend high school in person in California; Requirement: Demonstrate academic excellence and preparation for the selected STEM cluster; Requirement: Complete cluster-specific course prerequisites; Requirement: Live on the host UC campus for the full program; Requirement: Be a first-time COSMOS participant; Exclusion: Students not attending a California high school in person; Exclusion: Students who previously attended any COSMOS program; Exclusion: Applicants outside the rising-grade 9-12 range; Exclusion: Applicants unable to live on campus for the full program; Exclusion: Late application, supporting, payment or admission materials; Exclusion: Assuming a 3.5 GPA is an absolute statewide minimum rather than the published typical profile | Citizenship: U.S. citizen; Residency: Enrolled at an Illinois high school; Requirement: Senior in 2027–28 or 2027 graduate; proof of insurance | Citizenship: In-person internship requires United States citizenship or permanent residence; virtual-only participation has no such restriction; Residency: In-person participants may live anywhere in the United States but must arrange daily attendance, housing and care in Atlanta; Requirement: Historical2026 programme: rising or graduating seniors, age16 by June8; in-person U.S. citizenship/permanent residency required.; Requirement: Future-cycle dates, eligibility, stipend, housing and application require the next official update.; Exclusion: The 2026 application and programme are closed; Exclusion: Current college students are not eligible; Exclusion: In-person visa-status and international applicants are not eligible, though the virtual-only option may accept them; Exclusion: Conflicting school, exam or programme obligations disqualify a student from the full-time in-person internship; Exclusion: Winship provides no housing or minor care |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Starts July 12, 2027; Ends August 6, 2027; 4 weeks (2027 cycle) | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | Unconfirmed — check official site | Unconfirmed — check official site |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Location | Davis, California, Irvine, California, Los Angeles, California, Merced, California, San Diego, California, Santa Cruz, California, UC Davis, UC Irvine, UCLA, UC Merced, UC San Diego, UC Santa Cruz | Unconfirmed — check official site | Unconfirmed — check official site |
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| Selection and application | 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: One personal statement; One required teacher recommendation, with two recommended | Unconfirmed — check official site | Selection: The in-person cohort normally contains 10-12 scholars and had 12 in 2026. Winship reported record application volume in 2026 but publishes no count or acceptance rate. The related virtual lecture series served about 160 students in 2026. Application materials: Historical published route: Two required teacher recommendations, including one STEM teacher; no more than three letters; Historical published route: Five short essay responses |
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| Official sources | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22Source 6 · checked 2026-08-22Source 7 · checked 2026-08-20 | Source 1 · checked 2026-10-10 | Source 1 · checked 2026-10-12Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22 |
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