| Application deadline | February 15, 2027 (2027 cycle) | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Last year's cycle (2026): $5,518; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Unconfirmed — check official site | 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 |
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| Expenses and aid conditions | Unconfirmed — check official site | 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 |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: Summer 2027 NIH SIP stipend: Unconfirmed — check official site; 2027: Unconfirmed — check official site |
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| Eligibility | Unconfirmed — check official site | Grades 9–12 (provider uses rising grades) | Grade 12 when applying; check the provider's rules for graduating seniors |
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| Additional eligibility | Requirement: The programme serves rising high-school seniors and recent graduates. The benefits page still states 2026 graduation classes, citizenship and age conditions; confirm their 2027 applicability rather than shifting the years automatically. | 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 | Minimum age 17; Citizenship: U.S. citizen; Citizenship: U.S. permanent resident; Residency: A graduating senior who is 17 on June 1, 2027 and turns 18 by September 30 must have a permanent home address within 40 miles of an NIH campus; Residency: Permanent residents must attend or be accepted by a U.S. educational institution; Requirement: Be enrolled at least half-time as a high-school senior when applying; Requirement: Graduate high school before the internship begins; Requirement: Be 18 by September 30, 2027 and satisfy the special local-residence rule if still 17 on June 1; Requirement: Provide proof of health insurance; Requirement: Be available for a full-time research position during work hours; Exclusion: Students in grades 9-11 are not eligible through this SIP rule; Exclusion: The program is unavailable to applicants who are neither U.S. citizens nor permanent residents; Exclusion: Summer classes or other daytime responsibilities are incompatible with the full-time position; Exclusion: Family employment at NIH may trigger nepotism restrictions; Exclusion: Application does not guarantee PI contact, interview, funding or placement |
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| Session dates or duration | Starts June 20, 2027; Ends August 5, 2027 (2027 cycle) | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Format | In person | In person | In person |
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| Housing and supervision | Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Lubbock, Texas | 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 | Bethesda, NIH campuses; exact campus and research group vary by placement |
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| Selection and application | Application materials: Submit the listed essays, transcript and test records, three online recommendation questionnaires with at least two teachers, and the top-five activity list. Do not add an extra resume or unrequested supplements. | 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 | Selection: There is no centralized selection. Individual NIH PIs search applications, interview candidates, choose interns and supply funding; satisfying minimum eligibility does not guarantee a match. Application materials: Personal statement describing research experience, interests, goals and SIP fit |
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| Official sources | Source 1 · checked 2026-10-15Source 2 · checked 2026-10-15Source 3 · checked 2026-10-09Source 4 · checked 2026-10-09Source 5 · checked 2026-08-21 | 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 2026-08-22Source 2 · checked 2026-08-22 |
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