| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | $1,700 (2027 cycle) | $5,793 (2027 cycle) | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site |
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| Financial aid | 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) | Unconfirmed — check official site |
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| Expenses and aid conditions | 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) | Catalog terms: Lunch on program days (provided): $0; 2027: Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: Mentee stipend: $1,200; 2027: Unconfirmed — check official site |
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| Eligibility | Grades 6–12 (provider uses rising grades) | Grades 9–12 (provider uses rising grades) | Grades 10–11 when applying; summer rising grade is one higher |
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| Additional eligibility | Maximum age 17; Requirement: Open to rising grades 6–12; Requirement: Not yet graduated from 12th grade and under 18 at the time of attendance | 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) | Residency: Washington State resident; Requirement: Open to students currently in grades 10–11 when applying; Requirement: Enrolled in a Washington State school in 10th or 11th grade; Requirement: No previous coding experience required; Requirement: Able to travel to UW Seattle Monday-Thursday for the whole program |
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| Session dates or duration | Starts May 23, 2027; Ends July 30, 2027; 1 week (2027 cycle) | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts July 6, 2026; Ends July 30, 2026; 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 | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Pensacola, FL | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA | Seattle, WA |
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| Selection and application | Selection: The program is session- and capacity-based rather than presented as a judged competition. Current capacity, applicant volume, wait-list rules, and acceptance rate are not published. | 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: Every on-time application is reviewed equally, but UW does not publish seats, applicant totals, or an acceptance rate. |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-21Source 5 · 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 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24 |
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