| 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): $4,615–$7,100; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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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) | Unconfirmed — check official site | Catalog terms: Global Navigator Scholarship (financial need and academic merit): From $500. Covers $500 up to 100% of tuition; for US citizens or permanent residents in grades 9-11 living in the US.; Academic Merit Award: $500; 2027: Unconfirmed — check official site |
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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: Amount: Unconfirmed — check official site. The current FAQ confirms the fee is nonrefundable but does not state its amount.; Tuition deposit: Amount: Unconfirmed — check official site. The current FAQ confirms a deposit and historical refund rules but not the amount.; Required international health insurance: Amount: Unconfirmed — check official site. Required for international scholars; current price is not stated.; 2027: Unconfirmed — check official site | Catalog terms: Nonrefundable application fee: $25; Nonrefundable acceptance deposit: $1,000. Due within 7 days of acceptance.; Global Navigator Scholarship (financial need and academic merit): From $500. Covers $500 up to 100% of tuition; for US citizens or permanent residents in grades 9-11 living in the US.; Academic Merit Award: $500; 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 | Grades 9–12 (provider uses rising grades) | Grades 6–9; Grade timing: Unconfirmed — check official site | Grades 9–12 (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) | Residency: Students from the United States and other countries; Requirement: Be entering grade 6, 7, 8, or 9 after the summer; Requirement: Attend the full three-week program; Requirement: Upload a recent grade report and teacher comments; Requirement: Have English proficiency sufficient for discussion-centered classes; Requirement: Provide a local guardian able to assume responsibility within four hours in an emergency; Requirement: Bring a laptop and basic school supplies; Exclusion: Students entering grades 10-12 are not in the published eligibility range; Exclusion: International scholars generally need a Vericant Spoken English Evaluation score of at least 4.0 unless waived; Exclusion: International scholars must purchase the school health-insurance plan; Exclusion: Lawrenceville does not provide visa assistance or arrival/departure transportation | Requirement: Open to grades 9–12; Requirement: Must have completed 9th grade before traveling (rising freshmen are not eligible); Requirement: Some programs set their own requirements, such as a language level |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 3 weeks; 2027: Unconfirmed — check official site | Catalog terms: 3–8 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | In person |
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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 | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA | Lawrenceville, New Jersey | Unconfirmed — check official site |
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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: Registration is rolling and capacity-limited. The program may use a waitlist and class-specific waitlists, but it does not publish seats, applicant volume, acceptance rates, or course capacity. | Selection: Program and scholarship capacity varies. Scholarships are competitively reviewed using transcript, GPA, essays, teacher recommendation, and for need-based awards guardian financial information; no umbrella acceptance rate is published. Application materials: Scholarship applicants: short essay answers; Scholarship applicants: one teacher recommendation |
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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 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-21Source 4 · checked 2026-08-21 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24 |
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