| Application deadline | February 28, 2027 (2027 cycle) | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | $3,770 (2027 cycle) | $5,793 (2027 cycle) | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site |
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| Financial aid | Catalog terms: Need-based financial aid for accepted students: Amount: Unconfirmed — check official site. Not available to international students or merit scholarship recipients.; Merit scholarships awarded through the audition: Amount: Unconfirmed — check official site; 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) | Unconfirmed — check official site |
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| Expenses and aid conditions | Catalog terms: Registration fee for new students: $70; Food and housing (residential students only): $3,750. Boston University residence halls; commuting is allowed.; Optional lunch plan (residential students only): $340; Audition fee (in-person pre-registration $40; day-of or video $50): $40–$50. Non-refundable; transferable between auditions.; Need-based financial aid for accepted students: Amount: Unconfirmed — check official site. Not available to international students or merit scholarship recipients.; Merit scholarships awarded through the audition: Amount: Unconfirmed — check official site; 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) | 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 | Unconfirmed — check official site | Grades 9–12 (provider uses rising grades) | Grades 11–12 (provider uses rising grades) |
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| Additional eligibility | Ages 12–18; Requirement: Be 12 to 18 years old when the program begins on June 27; 11-year-olds may audition if they turn 12 by the start; Requirement: Students from outside the US and Canada must be at least 14 when the program begins; Requirement: Women must enter the program with pointe experience; Requirement: Able to sustain four to five hours of classical ballet training per day, six days a week | 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) | Minimum age 16; Residency: Attend a Northern California high school (public, charter, private or homeschool); Requirement: Open to rising grades 11–12; Requirement: At least 16 years old by the start of the workshop; Requirement: Students who are 18 at the start must be U.S. citizens; Requirement: Cumulative GPA of 3.3 or higher; Requirement: Science GPA of at least 3.5; Requirement: Biology and Chemistry, or Integrated Science Series I and II, completed by the end of the current school year; Requirement: Eligible to access LLNL under Section 3112 of the 2025 National Defense Authorization Act, which generally bars citizens of China, Russia, Iran and North Korea without dual U.S. citizenship or permanent residence |
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| Session dates or duration | Starts June 27, 2027; Ends July 24, 2027; 4 weeks (2027 cycle) | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts July 13, 2026; Ends July 24, 2026; 2 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 | Residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Boston, Newton, MA | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA | Livermore, CA |
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| Selection and application | Selection: Advanced, audition-based admission. BBS does not publish a current acceptance rate; placement, housing, and aid are separate decisions. Application materials: Audition: in-person audition class in January or a pre-recorded video audition; Online audition pre-registration survey | 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: Applications are competitive and space is limited; LLNL publishes no acceptance rate or guaranteed cohort size on the official page. Application materials: Letter of recommendation from a Biology or Chemistry teacher |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24 | 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 2026-10-24 |
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