| Application deadline | February 12, 2027 (2027 cycle) | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: $120–$315; 2027: 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 | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Additional eligibility | Minimum age 15; Requirement: Rising juniors/seniors and at least 15 at start, without exceptions.; Requirement: English proficiency, TOEFL 90/equivalent or published waiver. | 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 | Ages 14–17; Residency: Worldwide except locations where AFS cannot currently enroll individuals; Vietnam is explicitly unavailable on the present form; Requirement: Be age 14-17 on the cohort start date; turning 18 during the program is allowed; Requirement: Have sufficient English to read content, use forums, and join live discussions, unless enrolling in an explicitly offered Spanish cohort; Requirement: Have a computer, smartphone, or other compatible device with webcam and microphone plus stable internet; Requirement: Be available for the full five weeks and four facilitated sessions; Requirement: Obtain parent or guardian permission when legally required and pay the applicable tuition; Exclusion: Under 14 or over 17 on the program start date; Exclusion: Individual students currently residing in Vietnam under the present enrollment notice; Exclusion: Submission of the interest form does not guarantee a seat; eligibility, payment, and capacity still apply; Exclusion: A certificate does not constitute academic credit, language certification, school admission, employment, or an in-person exchange |
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| Session dates or duration | Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: 5 weeks; 2027: Unconfirmed — check official site |
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| Format | Online / In person | Unconfirmed — check official site | Online |
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| Housing and supervision | Unconfirmed — check official site | Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Marlborough, NEIA day/residential or online, not Wellesley | Unconfirmed — check official site | Online global cohort; individual enrollment currently unavailable in Vietnam |
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| Selection and application | Unconfirmed — check official site | 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: Standard enrollment is first come, first served subject to age, technology, language, payment, and cohort capacity; no acceptance rate is published. |
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| Official sources | Source 1 · checked 2026-10-10Source 2 · checked 2026-10-10 | Source 1 · checked 2026-10-12Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20 | Source 1 · checked 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-21 |
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