| Application deadline | Unconfirmed — check official site | January 20, 2027 (2027 cycle) | Unconfirmed — check official site |
|---|
| Cost | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): $5,518; 2027: Unconfirmed — check official site |
|---|
| Financial aid | 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 |
|---|
| Expenses and aid conditions | Catalog terms: GSET room and board: $0. Sponsored for admitted Rutgers GSET scholars; do not transfer this source wording to every future branch without confirmation.; GSET key and swipe-card deposit: $65. Presented at the start and returned uncashed when keys and cards are returned.; 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 | 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 |
|---|
| 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 |
|---|
| Eligibility | Grade 11; Grade timing: Unconfirmed — check official site | Grade 11; Grade timing: Unconfirmed — check official site | Grades 9–12 (provider uses rising grades) |
|---|
| Additional eligibility | Residency: New Jersey resident; Requirement: Be a high-school junior in the application year and complete junior year before the summer session; Requirement: Receive the high school's limited nomination for the selected branch; Requirement: Demonstrate exceptional achievement and sustained interest in science, mathematics, engineering, or technology; Requirement: Commit to the entire demanding residential session without conflicting classes, employment, or programs; Requirement: Meet branch-specific coursework, test, document, health, conduct, and residential requirements; Exclusion: Direct self-application without a school nomination; Exclusion: Applying to both branches when the current packet or school rules prohibit it; Exclusion: Treating typical top-5% rank, 90th-percentile scores, honors courses, or historical admission rates as absolute statewide guarantees; Exclusion: Claiming current arts, humanities, or international-studies Governor's School branches; Exclusion: Assuming GSS and GSET have identical essays, recommendations, curriculum, dates, preparation, deposits, or credit policies | 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 | 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 |
|---|
| Session dates or duration | Catalog terms: 3–4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site |
|---|
| Format | In person | In person | In person |
|---|
| 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 |
|---|
| Location | Madison, New Jersey, Piscataway/New Brunswick, New Jersey, Drew University and Rutgers University campuses | Cambridge, Massachusetts, Broad Institute; daily commute required from a Massachusetts high school community | 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 |
|---|
| Selection and application | Selection: Selection occurs first within the high school and then at the host. Recent host sources report approximately 20%-25% admission among school nominees, with exact cohort size driven by facilities and funding. Application materials: Branch-specific essays; Teacher recommendations; GSS specifically requires one science and one mathematics or computer-science letter | 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: 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 |
|---|
| Official sources | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20Source 5 · checked 2026-08-20 | Source 1 · checked 2026-10-09Source 2 · checked 2026-08-21 | 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 |
|---|