| 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 | 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: ASP partial scholarship assistance: Amount: Unconfirmed — check official site. Partial assistance is advertised; amount, eligibility, deadline, and availability require the current scholarship process.; 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: Earlier stated group registration fee: $95. One nonrefundable fee per registering group, not per participant. The current overview does not restate this amount; confirm whether it still applies.; Group transportation: Amount: Unconfirmed — check official site. Groups provide transportation to the assigned center and a vehicle for each work crew; cost varies by origin and group.; ASP partial scholarship assistance: Amount: Unconfirmed — check official site. Partial assistance is advertised; amount, eligibility, deadline, and availability require the current scholarship process.; 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 | Grade 6 and above; 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 | Minimum age 11; Residency: No citizenship or state-residency restriction is stated; participants must travel with or join an eligible registered group serving in Central Appalachia; Requirement: Be at least age 11 and have completed sixth grade before service; Requirement: Register as part of a group of at least five or obtain approval to join an existing registered group; Requirement: Provide at least two adults age 19 or older for the group and maintain ASP's adult-to-youth supervision requirements; Requirement: Complete an approved background check if age 19 or older; Requirement: Provide a suitable vehicle for every work crew and transportation to and from the assigned center; Requirement: Commit to the full Sunday-afternoon-through-Saturday-morning week; Requirement: Complete all participant, guardian, health, emergency, conduct, safety, and group paperwork and payment requirements; Requirement: Participate respectfully in ASP's service, regional education, and faith-based programming; Exclusion: ASP does not currently host an unaccompanied individual volunteer on their own; Exclusion: Volunteers must have completed sixth grade before service and be at least 11; current sixth-graders may qualify for a 2027 summer trip after completing the school year.; Exclusion: A preferred week, state, center, homeowner, or project type is not guaranteed; Exclusion: Participants and groups supply transportation and may have costs beyond ASP's published fee; Exclusion: The trip does not confer employment, wages, academic credit, a licensed construction credential, college admission benefit, or guaranteed school-accepted service hours; Exclusion: Physical, tool, driving, dietary, disability, medication, and worksite accommodations must be confirmed directly with ASP and the group leader |
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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 | Catalog terms: 1 week; 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 | Non-residential. Supervision and housing details: Unconfirmed — check official site | 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 | Central Appalachia: eastern Kentucky, western North Carolina when served, northeastern Tennessee, southwest Virginia, and central or southern West Virginia |
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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: This is capacity- and group-based registration rather than a competitive individual admission. ASP matches registered crews to weeks, centers, and projects based on preferences, skill, need, supervision, and available space. |
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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 2026-10-12Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 |
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