| 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 | Last year's cycle (2026): $1,695–$2,195; 2027: Unconfirmed — check official site |
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| Financial aid | Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): 2026 qualifying competition-achievement discount: $100. One $100 completion-paid discount with proof for specified MATHCOUNTS National, USAJMO or USAMO achievements.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | 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 | Unconfirmed — check official site | Last year's cycle (2026): 2026 standard online placement test: $50–$100. Students not recently enrolled generally tested; scheduled-session fee rose closer to summer and was nonrefundable and nontransferable. A special session could cost $150.; 2026 qualifying competition-achievement discount: $100. One $100 completion-paid discount with proof for specified MATHCOUNTS National, USAJMO or USAMO achievements.; 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 | Grades 4–12; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | 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 | 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 | Requirement: Be a rising fourth- through twelfth-grader for Math Challenges or a seventh- through twelfth-grader for Advanced Studies; Requirement: Provide accurate age, grade, math-course and official contest-score history; Requirement: Take an assigned placement test unless exempt as a recent IDEA MATH student; Requirement: Accept the academic team's final course placement; Requirement: Attend all live Eastern-time Zoom classes with camera and microphone on; Requirement: Complete homework and present mathematical solutions in class; Exclusion: The two summer tracks have different grade ranges, dates, course levels and prices; Exclusion: Registration alone does not complete enrollment; tuition must be paid in full; Exclusion: A preferred course is not guaranteed because placement, enrollment, staffing and capacity control offerings; Exclusion: Only enrolled students may enter the live Zoom classroom, and recording or photography is prohibited |
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| Session dates or duration | Last year's cycle (2026): Starts August 5, 2026; Ends August 9, 2026; 0.7 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): Starts June 28, 2026; Ends August 11, 2026; 5–6.43 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | Online |
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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 | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Little Switzerland, North Carolina | Boca Raton, Florida, Gumbo Limbo Nature Center and assigned environmental camp sites | Live online in U.S. Eastern Time |
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| Selection and application | Selection: Registration-based 2026 session; capacity and selection method were not stated | 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 | Selection: Placement is academic and capacity-limited rather than governed by a published acceptance rate. Likely class sizes were 6-12 in early prealgebra levels and 6-16 in others, with stated caps of 16 or 20. |
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| Official sources | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 | Source 1 · checked 2026-10-09Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22 | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-20 |
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