| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | April 19, 2027 (2027 cycle) |
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| Cost | Last year's cycle (2026): $4,750; 2027: Unconfirmed — check official site | Unconfirmed — check official site | $2,750 (2027 cycle) |
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| Financial aid | Last year's cycle (2026): Need-based partial scholarship: Amount: Unconfirmed — check official site. Requested within the online application; does not affect the admission decision.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): Need-based partial scholarship: Amount: Unconfirmed — check official site. Requested within the online application; does not affect the admission decision.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Application fee: $0; Deposit to reserve a spot: $100. Due once the application is approved; Suggested spending money: $100–$150 (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 11–12 (provider uses rising grades) | Up to grade 12; Grade timing: Unconfirmed — check official site | Grades 10–11; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | Citizenship: US citizen; Citizenship: US permanent resident; Requirement: Open to rising grades 11–12; Requirement: Strong understanding of English | Requirement: Open to grades up to 12; Requirement: Mathematical maturity of an advanced high-school student | Requirement: Open to grades 10–11; Requirement: Open in the summer after sophomore or junior year (students finishing grade 10 or 11); Requirement: One year of chemistry or physics |
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| Session dates or duration | Last year's cycle (2026): Starts July 19, 2026; Ends August 1, 2026; 2 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Starts June 7, 2027; Ends July 22, 2027 (2027 cycle) |
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| Format | In person | Online | In person |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Troy, NY | Live online classes scheduled in Pacific time | Terre Haute, IN |
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| Selection and application | Application materials: Essay; Recommendations | 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. | Selection: Earlier 2026 instructions described selective application followed by first-come session placement after approval. Confirm the current 2027 review and placement process; no acceptance rate is published. Application materials: Recommendation from a counselor or teacher |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-09 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24 |
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