| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Cost | Last year's cycle (2026): $5,518; 2027: Unconfirmed — check official site | 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 | 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 | Historical cycle (2023): Historical 2023 residential housing: $0. Included in the historical 2023 fee; future housing arrangements are unannounced.; Historical 2023 room and board: $0. Included in the historical 2023 fee; future meal arrangements are unannounced.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Historical new-applicant application fee: $75. Nonrefundable; returning students could request a waiver code under 2026 rules.; Historical program deposit: $275. Nonrefundable and credited toward the student's total bill.; 2027: Unconfirmed — check official site |
|---|
| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Eligibility | Grades 9–12 (provider uses rising grades) | Unconfirmed — check official site | Grades 10–12 (provider uses rising grades) |
|---|
| 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 | Ages 15–18; Citizenship: Historically open to domestic and international students; Requirement: Strong interest and preparation in mathematics or science; Requirement: Sufficient English for fully English instruction and mathematical discussion; Requirement: Complete the Ross mathematical application problems and supporting written materials; Requirement: Be prepared for an intensive residential, proof-based program if a future Asia cycle is announced; Exclusion: Assuming the stale 2023 eligibility, location, fee, dates, or capacity govern any future cycle; Exclusion: Assuming submission to the general Ross/USA application automatically applies to Ross/Asia; Exclusion: Treating the program as math-contest preparation or a college-credit course | Minimum age 13; Citizenship: Domestic and international applicants under separate rules; Requirement: Be a rising high-school sophomore, junior, senior, or graduating senior; Requirement: Hold an unweighted GPA of at least 3.0 or obtain approval through the GPA Exception Appeal route; Requirement: Select a first- and second-choice three-credit course and satisfy course prerequisites; Requirement: Carry health insurance and submit the required documentation; Requirement: Attend the entire three-week program and complete college-level work; Requirement: International applicants must satisfy English-proficiency and immigration/document rules; Exclusion: Domestic applicants under age 13 under 2026 rules; Exclusion: Prior participants dismissed from the program; Exclusion: International students requiring an F-1/I-20 from the program for campus study; UMD directs them to online and does not issue an I-20; Exclusion: Use of a B visa for campus study; Exclusion: Applicants unable to commute for a standard campus course or meet all synchronous attendance requirements |
|---|
| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 5 weeks; 2027: Unconfirmed — check official site | Catalog terms: 3 weeks; 2027: Unconfirmed — check official site |
|---|
| Format | In person | In person | Hybrid |
|---|
| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site | 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 | Historical 2023: University of the Philippines, Asia location for a future cycle is unannounced | College Park, Maryland, University of Maryland campus commuter option or 100% online |
|---|
| 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: Historically selective and based heavily on the mathematical application problems, school record, and English readiness. No current Asia acceptance rate, capacity, or rubric is published. Application materials: Personal statement and short essays; One recommendation under the historical page | Selection: Competitive and space-limited, with applications reviewed first-come, first-served after requirements are met. Early applicants are more likely to receive their first course choice; no overall acceptance rate is published. Application materials: No essay or recommendation under the 2026 application |
|---|
| 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 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22Source 6 · checked 2026-08-22 |
|---|