| Application deadline | Unconfirmed — check official site | January 20, 2027 (2027 cycle) | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $5,518; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): $2,400–$5,200; 2027: Unconfirmed — check official site |
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| Financial aid | 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 | Unconfirmed — check official site | Catalog terms: Need-based financial aid: Amount: Unconfirmed — check official site. Available through the application for accepted, qualified students; award and amount are not guaranteed.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | 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 | Last year's cycle (2026): Daily transportation reimbursement: Amount: Unconfirmed — check official site. Broad promises partial reimbursement but does not publish limits or eligible modes.; 2027: Unconfirmed — check official site | Catalog terms: Enrollment deposit after acceptance: $1,000. Ordinarily secures the seat after acceptance unless BlueStamp approves alternate payment or financial-aid arrangements; confirm refund and balance terms for the new cycle.; Need-based financial aid: Amount: Unconfirmed — check official site. Available through the application for accepted, qualified students; award and amount are not guaranteed.; Meals during the in-person program: Amount: Unconfirmed — check official site. Lunch is generally not provided except a published Friday pizza lunch.; 2027: Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Last year's cycle (2026): 2026 scholar stipend: $3,600; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 9–12 (provider uses rising grades) | Grade 11; Grade timing: Unconfirmed — check official site | Grades 9–12; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | 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 | Citizenship: U.S. citizen, lawful permanent resident, or non-U.S. citizen with employment authorization; Residency: Must attend a Massachusetts high school within daily commuting distance of Broad; Requirement: Apply as a current high-school junior/rising senior; Requirement: Earn B or better grades in science and mathematics; Requirement: Show enthusiasm for science; prior research is not required; Requirement: Attend the entire six-week program without other courses, programs, or employment during program hours; Exclusion: Out-of-state high-school students are ineligible even if they can commute or arrange housing; Exclusion: Students unable to attend every program day are ineligible | Requirement: Be entering grade 9, 10, 11, or 12 in the applicable summer; Requirement: Choose a published in-person, remote, or approved custom schedule and be available for its required live blocks; Requirement: Show motivation, self-direction, and willingness to solve open-ended engineering problems independently; Requirement: Submit an accurate application with requested short responses and references; Requirement: Attend the admissions interview; a parent or guardian participates in part of it; Requirement: Select an approved project with BlueStamp before the program and follow its budget, parts, tool, safety, and documentation rules; Requirement: For remote participation, have a feasible delivery address, workspace, internet connection, live-session availability, adult support where required, and lawful/safe tool access; Requirement: For in-person participation, arrange daily transportation and meals and comply with site pickup, conduct, safety, and minor-protection rules; Exclusion: Using the middle-school tuition, dates, priority rules, or hours for a high-school application; Exclusion: Assuming a live application form means 2027 dates, tuition, seats, or aid are announced; Exclusion: Expecting BlueStamp-provided in-person housing or daily lunch; Exclusion: Treating the project as a guaranteed invention, patent, publication, recommendation, internship, academic credit, award, or admission advantage; Exclusion: Missing required live time or attempting unsafe, unapproved, unlawful, or infeasible projects; Exclusion: Assuming a custom schedule, financial-aid award, fee reduction, project choice, replacement parts, international shipping, or refund is automatic |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Format | In person | In person | In person / Online |
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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 | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | 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 | Cambridge, Massachusetts, Broad Institute; daily commute required from a Massachusetts high school community | San Jose, California, In-person at 3800 Blackford Avenue in San Jose; live remote option may accept students elsewhere subject to time-zone and parts-shipping feasibility |
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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: One personal statement; One required teacher recommendation, with two recommended | Selection: Applications receive holistic merit review based on coursework, extracurricular interests, science enthusiasm, teacher recommendations, and potential community contribution. Broad publishes recent cohort names but no current applicant count or acceptance rate. Application materials: Teacher recommendation material; the FAQ does not state the number | Selection: Application and interview review occur in receipt order while seats remain. BlueStamp does not publish applicant counts, acceptance rates, aid rates, cohort size for the next cycle, or a guaranteed decision. Application materials: Admissions interview, including parent or guardian participation for the designated portion |
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| Official sources | 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 | Source 1 · checked 2026-10-09Source 2 · checked 2026-08-21 | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20 |
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