| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | 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 | Last year's cycle (2026): Need- and merit-based bursary: Amount: Unconfirmed — check official site. Awards may cover up to 100% of program fees based on household income and academic potential; 2027 dates and award availability are not yet confirmed.; Immerse competition scholarship: Amount: Unconfirmed — check official site. Free 2026-27 competitions award full or partial program scholarships; values and redemption rules vary by competition.; 2027: 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 | Last year's cycle (2026): Need- and merit-based bursary: Amount: Unconfirmed — check official site. Awards may cover up to 100% of program fees based on household income and academic potential; 2027 dates and award availability are not yet confirmed.; Immerse competition scholarship: Amount: Unconfirmed — check official site. Free 2026-27 competitions award full or partial program scholarships; values and redemption rules vary by competition.; 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 (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 | Unconfirmed — check official site | Ages 13–18; Residency: Open to students worldwide, subject to destination visa, travel, and age requirements; Requirement: Meet the selected program's age band: generally 13-18 for Academic Insights and 15-18 for Career Insights; Requirement: Have sufficient English proficiency to participate in advanced instruction and group work; Requirement: Select a destination, pathway, subject, age-appropriate course, and available session; Requirement: Have a parent or legal guardian complete enrollment if under 18; Requirement: Meet visa, travel-document, health, and residential requirements for the selected destination; Exclusion: Applicants outside the selected course's age band; Exclusion: Students unable to meet destination-specific entry or visa requirements; Exclusion: Enrollment in a course or session that has filled |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: 1–2 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | Unconfirmed — check official site | In person / Online |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Unconfirmed — check official site | Residential. Supervision and housing details: 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 | Boston, Cambridge, London, Oxford, New York, San Francisco, Toronto, Sydney, Tokyo, Singapore |
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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: Enrollment is reviewed for age, readiness, program fit, English proficiency, and space. The current public form does not publish a single acceptance rate or cohort size for the whole program family. Application materials: For bursary consideration: essay response, video, and English-language household-income documentation |
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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 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22 |
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