| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | $5,793 (2027 cycle) | Last year's cycle (2026): $9,595–$12,495; 2027: Unconfirmed — check official site | $699–$2,500 (2027 cycle) |
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| Financial aid | Need-based financial assistance for application and program costs: Amount: Unconfirmed — check official site. Based on family income, family size and available COSMOS resources. (2027 cycle) | Last year's cycle (2026): RISD Pre-College need-based scholarship: Amount: Unconfirmed — check official site. Limited number; U.S. citizens or permanent residents with significant financial need.; 2027: Unconfirmed — check official site | Limited need-based scholarships: Amount: Unconfirmed — check official site. Not for the residential portion and not for international students; separate GI Partners need-based scholarships for Boston-area rising seniors. (2027 cycle) |
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| Expenses and aid conditions | Application fee: Amount: Unconfirmed — check official site. Non-refundable; fee waivers can be requested.; Need-based financial assistance for application and program costs: Amount: Unconfirmed — check official site. Based on family income, family size and available COSMOS resources. (2027 cycle) | Last year's cycle (2026): Application fee (non-refundable): $60. Waived for scholarship applicants.; Non-refundable program deposit: $1,100; Single room supplement: $200. Only if a single room is requested and assigned.; Short-term health insurance: $259. For students without accepted US domestic insurance.; Art supplies (estimate): $800–$1,000; Personal laptop: $300–$500; RISD Pre-College need-based scholarship: Amount: Unconfirmed — check official site. Limited number; U.S. citizens or permanent residents with significant financial need.; 2027: Unconfirmed — check official site | Residential fee ($699 per week; housing, three meals a day, supervision): $699–$2,097. On top of tuition; $2,097 for a three-week program.; Seat deposit ($200 one-week; $500 three-week or remote): $200–$500; Optional airport transportation (one way $50-$75, round trip $99): $50–$99; Optional linen rental for residential students: $50; Limited need-based scholarships: Amount: Unconfirmed — check official site. Not for the residential portion and not for international students; separate GI Partners need-based scholarships for Boston-area rising seniors. (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 9–12 (provider uses rising grades) | Grades 11–12 (provider uses rising grades) | Grades 6–12 and first-year college (provider uses rising grades) |
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| Additional eligibility | Residency: California high school students only; Requirement: Open to rising grades 9–12; Requirement: Demonstrated academic excellence (a typical COSMOS student has a GPA of 3.5 or above) | Ages 16–18; Requirement: Open to rising grades 11–12; Requirement: Finished 10th or 11th year of high school (or equivalent); Requirement: Born between July 31, 2008 and June 27, 2011; rising juniors who will be 16 by October 1, 2027 may still apply; Requirement: Non-native English speakers need a minimum TOEFL 93 (or 5.0), Duolingo 115 or IELTS 6.5; Requirement: Non-US citizens and permanent residents need an appropriate visa (typically B-2 or ESTA) | Requirement: Open to rising grades 6–13; Requirement: One-week and pre-high-school programs: perform at grade level or above |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Starts June 28, 2027; Ends July 30, 2027; 5 weeks (2027 cycle) | Catalog terms: 1–3 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | In person / Online |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA | Providence, RI | Boston, Waltham, Wellesley, Weston, MA |
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| Selection and application | Selection: Each of six campuses accommodates roughly 160-200 students, and clusters typically enroll 20-25 with a commonly reported 5:1 student-to-faculty ratio. Admissions are competitive and based on academic merit relative to the selected topic, but applicant count and statewide acceptance rate were not published. Application materials: Online application with one personal statement; One teacher recommendation (two recommended) | Selection: Previously published application rules described submission-order review and first-come major availability, and said applicants showing the ability and desire to contribute and benefit are accepted. Confirm the applicable Summer 2027 process and major availability; application totals, acceptance rates and waitlist movement are not published. Application materials: Scholarship applicants also submit a letter of recommendation, family tax documents and an unofficial transcript | Selection: Three-week and remote programs used competitive rolling review based on academic record, curiosity, subject commitment, perspective, and experience. One-week and pre-high-school programs were capacity-based registration. Application materials: Three-week programs: online application with an essay |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22Source 6 · checked 2026-08-22Source 7 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-22 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-21Source 5 · checked 2026-08-20 |
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