| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $4,860; 2027: Unconfirmed — check official site | Last year's cycle (2026): $5,990–$7,390; 2027: Unconfirmed — check official site | $5,793 (2027 cycle) |
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| Financial aid | Last year's cycle (2026): Scholarships: Amount: Unconfirmed — check official site. Apply before registering and paying any fees.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Financial aid: Amount: Unconfirmed — check official site. Awarded upon acceptance; applications reviewed first-come, first-served.; 2027: Unconfirmed — check official site | 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) |
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| Expenses and aid conditions | Last year's cycle (2026): Summer 2026 nonrefundable registration deposit: $200. Part of the program cost.; Scholarships: Amount: Unconfirmed — check official site. Apply before registering and paying any fees.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Refundable damage deposit (2026): $150; Financial aid: Amount: Unconfirmed — check official site. Awarded upon acceptance; applications reviewed first-come, first-served.; 2027: Unconfirmed — check official site | 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) |
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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; Grade timing: Unconfirmed — check official site | Grades 11–12 (provider uses rising grades) | Grades 9–12 (provider uses rising grades) |
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| Additional eligibility | Ages 14–18; Requirement: Open to grades 9–12 | Ages 16–18; Requirement: Open to rising grades 11–12; Requirement: Has completed sophomore year of high school and is returning to high school in the fall; Requirement: A diagnosed learning difference is not required | 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) |
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| Session dates or duration | Last year's cycle (2026): Starts June 15, 2026; Ends June 26, 2026; 2 weeks; 2027: Unconfirmed — check official site | Starts July 10, 2027; Ends July 31, 2027; 3 weeks (2027 cycle) | Catalog terms: 4 weeks; 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 | Residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Salt Lake City, UT | Putney, VT | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA |
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| Selection and application | Selection: The 2026 cohort reached capacity and accepted waitlist interest. Scholarships were limited and considered merit and need. Current cohort size, applicant count, acceptance rate, selection rubric, and waitlist movement are not published. | Selection: Admissions reviews fit for the structured program; no applicant, cohort or acceptance count is published. Financial aid is limited and first-come after acceptance. Application materials: Educational recommendations (form included in the application); Parent/guardian statement; Interview by phone or online | 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) |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-08-22 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-08-22Source 4 · checked 2026-08-20 | 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 |
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