| Application deadline | November 15, 2026 (2027 cycle) | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): $5,518; 2027: Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): Fellowship project grant: $0–$1,000. Need- and merit-based, discretionary, and not guaranteed; eligible uses include project expenses or compensation for paid work forgone.; Later Research Scholar award: $2,000–$10,000. Historical 2026 Scholar-stage terms: top three received $10,000 and other selected Scholars at least $2,000. This is not guaranteed to a Fellow and 2027 terms are not announced.; 2027: Unconfirmed — check official site | 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 |
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| Expenses and aid conditions | Last year's cycle (2026): Application: $0. No application fee.; Fellowship project grant: $0–$1,000. Need- and merit-based, discretionary, and not guaranteed; eligible uses include project expenses or compensation for paid work forgone.; Later Research Scholar award: $2,000–$10,000. Historical 2026 Scholar-stage terms: top three received $10,000 and other selected Scholars at least $2,000. This is not guaranteed to a Fellow and 2027 terms are not announced.; 2027: Unconfirmed — check official site | 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 |
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| Stipend or pay | Unconfirmed — check official site | Catalog terms: Summer 2027 NIH SIP stipend: Unconfirmed — check official site; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Unconfirmed — check official site | Grade 12 when applying; check the provider's rules for graduating seniors | Grades 9–12 (provider uses rising grades) |
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| Additional eligibility | Ages 14–20; Residency: Applicants may be based almost anywhere, except where UK sanctions or operational payment restrictions prevent participation; Requirement: Meet the age 14-20 and pre-university requirements on the dates stated for the selected Foundations and Fellowship stages; Requirement: Have not started university or other tertiary education; gap-year applicants and applicants who left a course may apply; Requirement: Be able to participate in English; Requirement: Commit at least 10 flexible hours per week for eight weeks; Exclusion: Current university or tertiary-education students; Exclusion: Non-Trivial Ventures employees and their family members; Exclusion: Applicants whose location or status is restricted by applicable UK sanctions | 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 | 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 |
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| Session dates or duration | Catalog terms: 8 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site |
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| Format | Online | In person | In person |
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| Housing and supervision | Non-residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Applicants from almost anywhere; UK sanctions and payment restrictions apply | Bethesda, NIH campuses; exact campus and research group vary by placement | 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 |
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| Selection and application | Selection: Non-Trivial plans approximately 600 Research Foundations finalists and about 200 Research Fellows for 2027; final cohort sizes may change and no acceptance rate is published for the cycle. | 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 | 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 |
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| Official sources | Source 1 · checked 2026-10-09Source 2 · checked 2026-10-09Source 3 · checked 2026-10-09Source 4 · checked 2026-10-09Source 5 · checked 2026-08-21Source 6 · checked 2026-08-21Source 7 · checked 2026-08-21 | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22 | 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 |
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