| Application deadline | Unconfirmed — check official site | February 1, 2027 (2027 cycle) | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $4,615–$7,100; 2027: Unconfirmed — check official site | $2,868–$12,838 (2027 cycle) | $5,793 (2027 cycle) |
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| Financial aid | Unconfirmed — check official site | Need-based scholarships (NYC Commuter or Online Summer, one course): Amount: Unconfirmed — check official site. Awards equal 25%-50% of the program or course cost; for permanent residents in the US or its five major territories. (2027 cycle) | 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) |
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| Expenses and aid conditions | 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 | Nonrefundable application fee: $80–$95. Columbia quotes the fee as $80 in its program cost and application materials sections and as $95.00 in its application fee section.; Non-refundable enrollment deposit (credited toward the program cost): $1,000–$3,500. $3,500 residential, $2,000 commuter 3-week, $1,000 for 1-week commuter and online sessions.; Course-specific fees for some in-person courses: $50–$200. Only for listed courses; most courses also need about $50 for books and field trips.; Need-based scholarships (NYC Commuter or Online Summer, one course): Amount: Unconfirmed — check official site. Awards equal 25%-50% of the program or course cost; for permanent residents in the US or its five major territories. (2027 cycle) | 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) |
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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 6–9 (provider uses rising grades) | Grades 8–12 when applying; check the provider's rules for graduating seniors | Grades 9–12 (provider uses rising grades) |
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| Additional eligibility | Requirement: Open to rising grades 6–9; Requirement: International Scholars must score 4.0 or higher on Vericant's Spoken English Evaluation (SEE) before registering, unless English is their native language and they attend school full time in the United States | Requirement: Open to students currently in grades 8–12 when applying; Requirement: Summer programs take rising 9th graders through current 12th graders, domestic and international; Requirement: NYC Residential Summer students must be at least 15 and, if 15, turn 16 by December 31 of the program year; Requirement: English proficiency equivalent to 90+ on the internet-based TOEFL or 6.5+ on the IELTS | 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) |
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| Session dates or duration | Starts July 12, 2027; Ends July 30, 2027; 3 weeks (2027 cycle) | Starts June 21, 2027; Ends August 6, 2027; 1–3 weeks (2027 cycle) | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person / Online | In person |
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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 | Lawrenceville, NJ | New York, NY | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA |
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| Selection and application | 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. Application materials: Vericant Spoken English Evaluation video interview (international Scholars) | Selection: Holistic admission seeks academically exceptional, curious, motivated, and mature students. Columbia publishes no current applicant or admit rate and no fixed GPA minimum. Application materials: Teacher recommendation; School counselor/administrator recommendation (NYC Residential and NYC Commuter Summer) | 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) |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-21 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-08-21Source 6 · checked 2026-08-20 | 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 |
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