| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | March 1, 2027 (2027 cycle) |
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| Cost | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Financial aid | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Stipend or pay | Catalog terms: Mentee stipend: $1,200; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: Weekly salary: $500; 2027: Unconfirmed — check official site |
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| Eligibility | Grades 10–11 when applying; summer rising grade is one higher | Unconfirmed — check official site | Unconfirmed — check official site |
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| Additional eligibility | Residency: Must be a Washington State resident and enrolled in a Washington State high school; Requirement: Be in grade 10 or 11 when applying, entering grade 11 or 12 in fall; Requirement: Be interested in technology, society, justice, and changemaking; Requirement: Be able to travel to UW Seattle Monday-Thursday; Requirement: Commit to the full four-week program; no coding background required; Exclusion: Students outside Washington or not enrolled at a Washington high school are ineligible; Exclusion: CiC does not provide housing; Exclusion: Historical 2026 rules may change for 2027 | Requirement: Normally not have completed high school before class begins; Requirement: Demonstrate the mathematical maturity of an advanced high-school student; Requirement: Be prepared for intensive college-level lectures, problems, independent work, and mathematical communication; Requirement: Meet any future course-specific readiness or scheduling requirements; Exclusion: Assuming grades 9-12 is a fixed rule; sufficiently prepared middle-school students may apply; Exclusion: Assuming competition mathematics, prior research, a published prerequisite course, or Bay Area residence is required; Exclusion: Assuming admission, financial aid, academic credit, publication, recommendation, or a research result is guaranteed | Citizenship: U.S. citizen; Residency: Enrolled at an Illinois high school; Requirement: Senior in 2027–28 or 2027 graduate; proof of insurance |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Starts July 12, 2027; Ends August 6, 2027; 4 weeks (2027 cycle) |
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| Format | In person | Unconfirmed — check official site | Unconfirmed — check official site |
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| Housing and supervision | Non-residential. Supervision and housing details: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Location | Seattle, University of Washington Seattle campus | Unconfirmed — check official site | Unconfirmed — check official site |
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| Selection and application | Selection: Every on-time application is reviewed equally, but UW does not publish seats, applicant totals, or an acceptance rate. | Selection: Applicants must persuade Euler Circle that they are prepared and a good instructional fit; Euler Circle says ordinary seat scarcity usually is not the main constraint and does not publish acceptance statistics. | Unconfirmed — check official site |
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| Official sources | Source 1 · checked 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-20 | Source 1 · checked 2026-10-12Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20 | Source 1 · checked 2026-10-10 |
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