| Application deadline | Unconfirmed — check official site | February 1, 2027 (2027 cycle) | Unconfirmed — check official site |
|---|
| Cost | Last year's cycle (2026): $5,518; 2027: Unconfirmed — check official site | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site | Last year's cycle (2026): $1,695–$2,195; 2027: 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 | Last year's cycle (2026): 2026 qualifying competition-achievement discount: $100. One $100 completion-paid discount with proof for specified MATHCOUNTS National, USAJMO or USAMO achievements.; 2027: 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 | Catalog terms: On-campus boarding: $0. Funders cover boarding in the latest published cycle; room type, deposit, damage, linen, accessibility, and early-arrival terms await the next cycle.; Program food: $0. Funders cover food; exact meal plan, snacks, travel-day meals, allergies, and dietary accommodations are not published for 2027.; 2027: Unconfirmed — check official site | Last year's cycle (2026): 2026 standard online placement test: $50–$100. Students not recently enrolled generally tested; scheduled-session fee rose closer to summer and was nonrefundable and nontransferable. A special session could cost $150.; 2026 qualifying competition-achievement discount: $100. One $100 completion-paid discount with proof for specified MATHCOUNTS National, USAJMO or USAMO achievements.; 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) | Grades 10–11 when applying; summer rising grade is one higher | Grades 4–12; 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 | Residency: Current Texas high-school student; Requirement: Be a current high-school sophomore or junior during the application cycle; Requirement: Demonstrate interest in business, accounting, and/or leadership development; Requirement: Present a strong academic record and personal achievement in context; no universal GPA cutoff is published; Requirement: Complete the official online application, transcript, activities and leadership section, essay or essays, and recommendation by the announced deadline; Requirement: Be available for the entire six-day residential program, family orientation, dorm stay, classes, team work, case competition, networking, and closing activities; Requirement: Be prepared to work respectfully with students of varied backgrounds and follow UT, McCombs, housing, minor, conduct, safety, privacy, and academic-integrity rules; Exclusion: Students who are not current high-school sophomores or juniors under the next cycle's classification rule; Exclusion: Missing or late required transcript, essay, recommendation, activity, leadership, consent, or verification materials; Exclusion: Inability to attend the full residential session without an approved accommodation; Exclusion: Assuming first-generation status, hardship, identity, Texas residence, strong grades, early application, or accounting experience guarantees selection; Exclusion: Treating the encouragement of first-generation and hardship-affected applicants as an exclusion of other backgrounds; Exclusion: Using unverified third-party 2027 dates or deadline as official; Exclusion: Assuming participation confers UT or McCombs admission, academic credit, scholarship, internship, or employment | Requirement: Be a rising fourth- through twelfth-grader for Math Challenges or a seventh- through twelfth-grader for Advanced Studies; Requirement: Provide accurate age, grade, math-course and official contest-score history; Requirement: Take an assigned placement test unless exempt as a recent IDEA MATH student; Requirement: Accept the academic team's final course placement; Requirement: Attend all live Eastern-time Zoom classes with camera and microphone on; Requirement: Complete homework and present mathematical solutions in class; Exclusion: The two summer tracks have different grade ranges, dates, course levels and prices; Exclusion: Registration alone does not complete enrollment; tuition must be paid in full; Exclusion: A preferred course is not guaranteed because placement, enrollment, staffing and capacity control offerings; Exclusion: Only enrolled students may enter the live Zoom classroom, and recording or photography is prohibited |
|---|
| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 1 week; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts June 28, 2026; Ends August 11, 2026; 5–6.43 weeks; 2027: Unconfirmed — check official site |
|---|
| Format | In person | In person | Online |
|---|
| 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 | Austin, Texas, University of Texas at Austin campus and scheduled Austin or corporate program sites | Live online in U.S. Eastern Time |
|---|
| 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: McCombs describes desired qualities but publishes no current applicant count, cohort size, acceptance rate, fixed GPA cutoff, identity quota, geographic quota, scoring rubric, interview process, or waitlist policy. Historical cohort figures must not be treated as a future guarantee. Application materials: One or more essays following the current prompts and word limits; One letter of recommendation from an eligible recommender under current instructions | Selection: Placement is academic and capacity-limited rather than governed by a published acceptance rate. Likely class sizes were 6-12 in early prealgebra levels and 6-16 in others, with stated caps of 16 or 20. |
|---|
| 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 2026-10-10Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20 | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-20 |
|---|
