| 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 | 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 | Minimum age 16; Requirement: Daily Operations: age 16-20, 50+ summer service hours, interview, and mandatory orientation; Requirement: CIT: age 16+, at least two full camp weeks, interviews, and mandatory orientation and training; Requirement: Be at least 18 to assist with teen-camp weeks; Requirement: If selected, complete the City application and Level 2 background check; Exclusion: The City currently offers no Gumbo Limbo internships; Exclusion: Naturalist walks and specialized assignments require prior hours and additional training; Exclusion: Community-service hours for Daily Operations depend on completing more than 50 hours under program rules |
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| Session dates or duration | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Format | Online / In person | Unconfirmed — check official site | In person |
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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 | Boca Raton, Florida, Gumbo Limbo Nature Center and assigned environmental camp sites |
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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: Only 35 applicants were accepted across the two 2026 summer tracks; interviews, availability, and program fit determine selection. Application materials: Interview with the volunteer coordinator for Daily Operations; Interviews with the volunteer coordinator and camp director for CIT |
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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 2026-10-09Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22 |
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