| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $3,975; 2027: Unconfirmed — check official site | Last year's cycle (2026): $1,044; 2027: Unconfirmed — check official site | Last year's cycle (2026): $5,518; 2027: Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): ASC 2026 financial-aid funds: Up to $3,975. General fund up to half, Sydney Stark Jr. Memorial fund up to full tuition, and Military Family fund at least half; historical terms only.; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): 2026 need-based application and program assistance: Up to $5,564. Could assist with the $46 application fee and $5,518 program cost based on family income, family size and available funds; actual award not guaranteed.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): Nonrefundable tuition deposit upon registration: $150. Part of tuition, not an additional $150 program price.; ASC 2026 financial-aid funds: Up to $3,975. General fund up to half, Sydney Stark Jr. Memorial fund up to full tuition, and Military Family fund at least half; historical terms only.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Nonrefundable enrollment deposit: $100. Required after acceptance to reserve a spot; the page does not clearly say whether it reduces the tuition balance.; Required readings and course materials: $0. Available through Canvas with no additional course-material fee in 2026.; 2027: Unconfirmed — check official site | Last year's cycle (2026): 2026 COSMOS application fee: $46. Nonrefundable; pending fee-waiver review could change when or whether payment was required.; Credit-card transaction fee on program payments: Amount: Unconfirmed — check official site. Approximately 2.5% when paying program costs by credit card; application fee exempt.; 2026 need-based application and program assistance: Up to $5,564. Could assist with the $46 application fee and $5,518 program cost based on family income, family size and available funds; actual award not guaranteed.; Full-financial-aid attendance deposit: $200. Required only for admitted students offered full aid and refunded to the legal guardian after successful completion.; 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 8–12; Grade timing: Unconfirmed — check official site | Grades 10–12 (provider uses rising grades) | Grades 9–12 (provider uses rising grades) |
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| Additional eligibility | Ages 13–19; Requirement: Be a rising 8th grader through a graduated 12th grader, or homeschool equivalent; Requirement: Be age 13-19 at the applicable start-date checkpoint; Requirement: Apply and receive an acceptance decision; Requirement: Complete accepted-camper registration and deposit before capacity fills; Requirement: Be prepared for a full residential schedule, auditions, rehearsals, classes, performance, and shared living; Exclusion: A rising 7th grader is ineligible even if already 13; Exclusion: A rising 8th grader is ineligible if still 12 at camp; Exclusion: A student who has completed a college freshman year is ineligible even if 18; Exclusion: Acceptance does not reserve a seat until registration is complete; Exclusion: No prior performance experience was required, and admission did not guarantee a particular play, role, solo, college credit, or professional outcome | Residency: Domestic and international students may apply; Requirement: Be a rising high-school sophomore, junior, or senior; Requirement: Have at least a 3.0 cumulative GPA or international equivalent; Requirement: International applicants must provide a transcript and, when required, TOEFL iBT 80 or receive an individual exception; Requirement: Be prepared for five to ten hours of asynchronous work weekly per course; Exclusion: Rising freshmen are not listed as eligible; Exclusion: Permission is required to take more than one course; Exclusion: No more than three courses; Exclusion: Two advertised courses were cancelled | Residency: Attend high school in person in California; Requirement: Be rising into grade 9, 10, 11 or 12 for the program fall year; Requirement: Attend high school in person in California; Requirement: Demonstrate academic excellence and preparation for the selected STEM cluster; Requirement: Complete cluster-specific course prerequisites; Requirement: Live on the host UC campus for the full program; Requirement: Be a first-time COSMOS participant; Exclusion: Students not attending a California high school in person; Exclusion: Students who previously attended any COSMOS program; Exclusion: Applicants outside the rising-grade 9-12 range; Exclusion: Applicants unable to live on campus for the full program; Exclusion: Late application, supporting, payment or admission materials; Exclusion: Assuming a 3.5 GPA is an absolute statewide minimum rather than the published typical profile |
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| Session dates or duration | Catalog terms: 3 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | Online | 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 | Staunton, Virginia; Mary Baldwin University and Blackfriars Playhouse | Worldwide online through American University's Canvas platform | Davis, California, Irvine, California, Los Angeles, California, Merced, California, San Diego, California, Santa Cruz, California, UC Davis, UC Irvine, UCLA, UC Merced, UC San Diego, UC Santa Cruz |
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| Selection and application | Selection: Attendance was by acceptance, applications were reviewed monthly, and accepted-student registration was first-come, first-served. ASC did not publish applicant count, acceptance rate, or detailed judging rubric. | Selection: Rolling eligibility and space review; early applicants had better course availability, but no overall acceptance rate was published. | 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: One personal statement; One required teacher recommendation, with two recommended |
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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 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22Source 6 · checked 2026-08-22Source 7 · checked 2026-08-20 |
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