| Application deadline | Unconfirmed — check official site | December 15, 2026 (2027 cycle) | Unconfirmed — check official site |
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| Cost | $5,793 (2027 cycle) | Unconfirmed — check official site | Last year's cycle (2026): $325–$350; 2027: Unconfirmed — check official site |
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| Financial aid | 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 | Unconfirmed — check official site |
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| Expenses and aid conditions | 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): Meals and snacks included with tuition: $0. Optional vending-machine or coffee-shop purchases are not included.; Shared dorm accommodation at residential camps: $0. Included only for overnight sessions.; 2027: Unconfirmed — check official site | 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) | Grades 9–12 and first-year college; Grade timing: Unconfirmed — check official site | Grades 9–12 (provider uses rising grades) |
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| Additional eligibility | 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: Be entering high school, currently in high school, or recently graduated; Requirement: Enroll for an available session and agree to the student code of conduct; Requirement: Advanced Business applicants must be returning Washington Business Week alumni; Exclusion: International students may attend but are not eligible for the two Renton Technical College credits | Requirement: Open to rising grades 9–12 |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 1 week; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts July 12, 2026; Ends July 15, 2026; 2027: Unconfirmed — check official site |
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| Format | In person | In person | In person |
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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, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA | Washington State; exact 2027 campuses not announced | Stevens Point, WI |
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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: Online application with one personal statement; One teacher recommendation (two recommended) | Selection: Enrollment rather than a selective application; spaces are limited | Selection: The public 2026 pages do not state an application review, applicant count, capacity or acceptance rate. Registration availability appears capacity-based, but that should be confirmed for a future cycle. |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22Source 6 · checked 2026-08-22Source 7 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20Source 5 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-08-22Source 4 · checked 2026-08-20 |
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