| Application deadline | Unconfirmed — check official site | 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 | Catalog terms: ZooTeen program fee upon acceptance: $60. Nonrefundable; covers program materials, a camp T-shirt, and borrowing a Zoo uniform shirt. Contact the program if the fee creates economic hardship.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): SPROG 2026 ticket: $0. Participants could select the USD 0 option with the published SPROG26 code.; Optional contribution: $0–$200. Voluntary contribution toward Sierra Club's costs.; Four nights of dorm lodging and bedding: $0. Provided by the program.; Program meals: $0. All meals were provided.; 2027: 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 | Ages 13–17; Residency: No formal boundary is published; participants must reliably reach the Cincinnati Zoo for interviews, orientation, camp, and volunteer shifts; Requirement: Be age 13-17; the correct Summer 2027 reference date must be confirmed; Requirement: Show genuine interest in nature and conservation, curiosity, willingness to learn, positivity, and reliability; Requirement: Commit to 100 hours as a first-/second-year ZooTeen or 70 hours as a third-year/returning ZooTeen; Requirement: Be available for a full 40-hour camp week and required visitor-engagement/additional shifts; Requirement: Attend a group interview and complete guardian-assisted online/virtual and all-day in-person orientations; Requirement: Use email and an online profile to receive information and log service hours; Exclusion: The 2027 page's May 1, 2026 age-reference date is stale and must not be treated as the binding 2027 cutoff; Exclusion: The program cannot accept all applicants, and returning participation is not guaranteed; Exclusion: Advanced specializations require separate applications, experience, additional hours, and available capacity | 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 15–25; Requirement: Be age 15–25 by August 5, 2026; Requirement: Attend the full five-day residential session; Requirement: Provide emergency, medical, dietary, accessibility, travel, and room information; Requirement: Sign the participant waiver; Requirement: Obtain a parent signature if under 18; Exclusion: Applicants younger than 15 or older than 25 for the 2026 session |
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| Session dates or duration | Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): Starts August 5, 2026; Ends August 9, 2026; 0.7 weeks; 2027: Unconfirmed — check official site |
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| Format | In person / Online | Unconfirmed — check official site | In person |
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| Housing and supervision | Non-residential. Supervision and housing details: Unconfirmed — check official site | Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Cincinnati, Cincinnati Zoo & Botanical Garden, Cincinnati, Ohio | Unconfirmed — check official site | Little Switzerland, North Carolina |
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| Selection and application | Selection: The Zoo says the program is very popular and cannot accept all applicants; it publishes no applicant count, cohort size, or acceptance rate. Application materials: Six written essay responses about motivation, role models, conservation learning, challenge, personal growth, and intellectual curiosity; In-person group interview | 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: Registration-based 2026 session; capacity and selection method were not stated |
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| Official sources | Source 1 · checked 2026-08-21 | Source 1 · checked 2026-10-12Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20 | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 |
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