| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | January 20, 2027 (2027 cycle) |
|---|
| Cost | Last year's cycle (2026): $5,518; 2027: Unconfirmed — check official site | Last year's cycle (2026): $6,700–$10,050; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| 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 | Last year's cycle (2026): Philadelphia student Summer Academy scholarship: Amount: Unconfirmed — check official site. Limited to qualifying Philadelphia School District public/charter students; not offered to other domestic or international students.; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| 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): 2026 nonrefundable application fee: $100. Waived for eligible Philadelphia public/charter applicants.; 2026 nonrefundable enrollment deposit: $1,500. Part of, not additional to, total tuition.; Philadelphia student Summer Academy scholarship: Amount: Unconfirmed — check official site. Limited to qualifying Philadelphia School District public/charter students; not offered to other domestic or international students.; 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 |
|---|
| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): 2026 scholar stipend: $3,600; 2027: Unconfirmed — check official site |
|---|
| Eligibility | Grades 9–12 (provider uses rising grades) | Grades 9–11 when applying; summer rising grade is one higher | Grade 11; Grade timing: Unconfirmed — check official site |
|---|
| 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 | Requirement: Current grade 9–11 during the application year; Requirement: Competitive applicants generally have at least a 3.5 high-school GPA; Requirement: Some academies require specific prior coursework and a syllabus; Requirement: International applicants meet English-proficiency requirements or qualify for a waiver; Exclusion: The academies are non-credit; do not confuse them with Penn's credit-bearing Pre-College programs; Exclusion: Scholarships are limited to eligible Philadelphia public/charter students; Exclusion: Admission to a summer academy is not admission to Penn | 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 |
|---|
| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts July 11, 2026; Ends August 1, 2026; 2–3 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 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 | Residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
|---|
| 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 | Philadelphia, Pennsylvania, University of Pennsylvania campus | Cambridge, Massachusetts, Broad Institute; daily commute required from a Massachusetts high school community |
|---|
| 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: Rolling holistic admission until individual academies fill; Penn publishes no acceptance rate. Application materials: Three numbered essays, each no more than 400 words; One program-specific recommendation on organizational/institutional letterhead | 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 |
|---|
| 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 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22 | Source 1 · checked 2026-10-09Source 2 · checked 2026-08-21 |
|---|