| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | 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 | 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 | Unconfirmed — check official site | Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 9–12 (provider uses rising grades) | Unconfirmed — check official site | Grades 9–12 when applying; check the provider's rules for graduating seniors |
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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 | Requirement: Canada/USA Mathcamp is a residential advanced-mathematics programme for students worldwide, generally ages thirteen to eighteen. Applicants need precalculus or equivalent preparation and demonstrate creative mathematical reasoning through the Qualifying Quiz; calculus is not required. Detailed age exceptions apply.
The completed 2026 camp ran June 28-August 2 at Champlain College in Burlington. The 2027 dates and location will be announced in December, and no 2027 application deadline or fee is yet published. All application components and any aid request must follow the new cycle’s instructions.
The accepted 2026 base fee was $7,500, with need-blind admission and full demonstrated-need aid available to eligible applicants, including international students. These historical terms do not establish the new cycle’s fee or aid instructions. | Citizenship: Historical 2026 rule: International students may attend subject to U.S. entry requirements; Requirement: Historical 2026 rule: Be currently enrolled in grade 9, 10, 11 or 12 when registering; Requirement: Historical 2026 rule: Submit a motivation essay or approved alternative-media statement if new; Requirement: Historical 2026 rule: Submit exactly two accepted forms of academic or talent-area evidence if new; Requirement: Historical 2026 rule: Meet at least two documented gifted/talent indicators; Requirement: Historical 2026 rule: Live under Purdue's supervised residential-camp rules; Exclusion: Historical 2026 rule: The $1,495 rate applies to a different residential/commuter track, not PULSAR; Exclusion: Historical 2026 rule: Returning students are exempt from the essay and qualifying documentation; Exclusion: Historical 2026 rule: Admission and first-choice course placement are not guaranteed; Exclusion: Historical 2026 rule: International participants arrange and pay for their own transportation and immigration compliance |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Format | In person | Unconfirmed — check official site | Unconfirmed — check official site |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Unconfirmed — check official site | 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 | Unconfirmed — check official site | Unconfirmed — check official site |
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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 | Unconfirmed — check official site | Selection: The 2026 application documented gifted/talent indicators and course placement depended on eligibility and availability. Confirm the next-cycle process; no acceptance rate is published. Application materials: Historical 2026 instructions: One-to-two-page motivation essay or alternative media statement for new students; Historical 2026 instructions: Exactly two qualifying documents from transcript, IQ testing, achievement testing, teacher/mentor recommendation or talent-involvement documentation |
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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 2026-10-09Source 3 · checked 2026-10-09Source 4 · checked 2026-10-09Source 5 · checked 2026-08-22Source 6 · checked 2026-08-22Source 7 · checked 2026-08-22Source 8 · checked 2026-08-22 | Source 1 · checked 2026-10-12 |
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