| Application deadline | February 1, 2027 (2027 cycle) | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Free attendance; check separate expenses (2027 cycle) | Unconfirmed — check official site | $5,793 (2027 cycle) |
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| Financial aid | Unconfirmed — check official site | Catalog terms: Need-based bursary: Amount: Unconfirmed — check official site. Partial or full awards covering up to 100% of programme tuition; for students at non-fee-paying schools or receiving financial assistance at a fee-paying school.; 2027: Unconfirmed — check official site | 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 | On-campus boarding: $0. Covered by program funders.; Food: $0. Covered by program funders. (2027 cycle) | Catalog terms: Booking deposit to secure a place: Amount: Unconfirmed — check official site; Need-based bursary: Amount: Unconfirmed — check official site. Partial or full awards covering up to 100% of programme tuition; for students at non-fee-paying schools or receiving financial assistance at a fee-paying school.; 2027: Unconfirmed — check official site | 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 10–11 when applying; summer rising grade is one higher | Unconfirmed — check official site | Grades 9–12 (provider uses rising grades) |
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| Additional eligibility | Residency: Texas high school students; Requirement: Open to students currently in grades 10–11 when applying; Requirement: Students enrolled in summer school during the program dates cannot participate (full-time attendance required) | Ages 13–18; Requirement: Each course has its own age band (for example 13-15, 15-18 or 16-18) | 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 June 20, 2027; Ends June 25, 2027 (2027 cycle) | Catalog terms: 2 weeks; 2027: Unconfirmed — check official site | 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 | Austin, TX | Cambridge, London, New York, Oxford, Singapore, Sydney, Tokyo, Toronto, NY | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA |
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| Selection and application | Selection: McCombs describes desired qualities but publishes no current applicant count, cohort size, acceptance rate, fixed GPA cutoff, identity quota, geographic quota, scoring rubric, interview process, or waitlist policy. Historical cohort figures must not be treated as a future guarantee. Application materials: Essay(s); One letter of recommendation | Selection: Enrollment is reviewed for age, readiness, program fit, English proficiency, and space. The current public form does not publish a single acceptance rate or cohort size for the whole program family. | 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 2026-08-20Source 3 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-10-24Source 6 · checked 2026-10-24Source 7 · checked 2026-08-22Source 8 · checked 2026-08-22Source 9 · checked 2026-08-22Source 10 · checked 2026-08-22 | 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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