| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Catalog terms: $1,799–$1,999; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): $5,518; 2027: Unconfirmed — check official site |
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| 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 |
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| Expenses and aid conditions | Catalog terms: Individual reservation registration fee: $100. Published as nonrefundable; verify at checkout because policy terms can change.; 2027: Unconfirmed — check official site | 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 |
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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 4–12; Grade timing: Unconfirmed — check official site | Grades 7–12; Grade timing: Unconfirmed — check official site | Grades 9–12 (provider uses rising grades) |
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| Additional eligibility | Ages 9–18; Requirement: Enroll in the correct program for age at camp: Space Camp 9–11, Space Academy 12–14 or Advanced Space Academy 15–18; Requirement: Nine-year-olds must have completed or currently be enrolled in fourth grade; Requirement: Complete payment, releases, health, medication, emergency and other required forms by the session deadlines; Requirement: Be able to participate safely in the selected program with any required accommodations arranged in advance; Requirement: International participants need proper United States entry documents and conversational English; Exclusion: Family, adult, educator, group, aviation, cyber, robotics and Elite programs have separate requirements and prices; Exclusion: Registration does not guarantee a preferred roommate, activity, simulator access or session until confirmed; Exclusion: Some water, motion, physical or specialty activities can have medical restrictions; Exclusion: The program is educational simulation and not affiliated with astronaut selection or NASA employment | Residency: Primarily Chicago, surrounding suburbs, and Northwest Indiana; nonlocal students need their own lodging and transportation; Requirement: Enter grade 7-12 in the school year after the summer program; Requirement: Show strong interest and readiness through school mathematics, competitions, or sustained engagement; Requirement: Submit the correct grade-cohort form, short essay, teacher questionnaire, current math-teacher recommendation, and transcript/grade report; Requirement: Arrange daily local transportation and any needed lodging; Requirement: Attend the four-week weekday day camp; Exclusion: The program does not provide housing or transportation; Exclusion: Application and mathematical enthusiasm do not guarantee admission; Exclusion: Participation does not guarantee a grade, academic credit, recommendation, contest result, college admission, or admissions advantage | 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 |
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| Session dates or duration | Catalog terms: 1 week; 2027: Unconfirmed — check official site | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | In person |
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| 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 |
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| Location | Huntsville, Alabama | Chicago, Illinois, University of Chicago campus; Chicago area, surrounding suburbs, and Northwest Indiana | 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 |
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| Selection and application | Selection: Standard student programs are purchased first-come, first-served by age and session capacity; they are not merit-selective. Invitation-only Elite and scholarship programs are separate. | Selection: The University describes the four-week summer camp as significantly selective. It seeks enthusiastic and talented students with strong school performance, math-competition interest, or sustained mathematical curiosity. Applicant totals, seats by cohort, selection rate, rubric, and late-application capacity are not published. Application materials: Short applicant essay; One recommendation letter from the current mathematics teacher | 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 |
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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 2026-10-12Source 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 2026-08-22Source 7 · checked 2026-08-20 |
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