| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $6,600; 2027: Unconfirmed — check official site | $5,793 (2027 cycle) | $2,350–$5,150 (2027 cycle) |
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| Financial aid | Last year's cycle (2026): Need-based financial aid: Up to $6,600. Scaled to reported family income; considered after admission and does not affect the admissions decision.; 2027: Unconfirmed — check official site | Need-based financial assistance for application and program costs: Amount: Unconfirmed — check official site. Based on family income, family size and available COSMOS resources. (2027 cycle) | Donor-funded camp scholarship: Amount: Unconfirmed — check official site. Covers all or part of summer camp fees only, not SCUBA or travel. (2027 cycle) |
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| Expenses and aid conditions | Last year's cycle (2026): Application fee: $0. Applying to MathPath is free.; Minimum registration deposit: $500; Need-based financial aid: Up to $6,600. Scaled to reported family income; considered after admission and does not affect the admissions decision.; 2027: Unconfirmed — check official site | Application fee: Amount: Unconfirmed — check official site. Non-refundable; fee waivers can be requested.; Need-based financial assistance for application and program costs: Amount: Unconfirmed — check official site. Based on family income, family size and available COSMOS resources. (2027 cycle) | SCUBA add-on (two-week sessions): $650; Donor-funded camp scholarship: Amount: Unconfirmed — check official site. Covers all or part of summer camp fees only, not SCUBA or travel. (2027 cycle) |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Unconfirmed — check official site | Grades 9–12 (provider uses rising grades) | Unconfirmed — check official site |
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| Additional eligibility | Ages 11–14; Requirement: Turn 11 before the program starts and turn 15 only after the last day of the program | Residency: California high school students only; Requirement: Open to rising grades 9–12; Requirement: Demonstrated academic excellence (a typical COSMOS student has a GPA of 3.5 or above) | Ages 10–17; Requirement: Two-week sessions are for ages 12-17; one-week sessions for ages 10-17; summer daycamp for ages 10-13 |
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| Session dates or duration | Last year's cycle (2026): Starts June 28, 2026; Ends July 26, 2026; 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Starts June 25, 2027; Ends August 11, 2027; 1–2 weeks (2027 cycle) |
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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 | Residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Unconfirmed — check official site | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA | Big Pine Key, FL |
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| Selection and application | Selection: Merit-based selection centered on the Qualifying Test and application context | 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: Online application with one personal statement; One teacher recommendation (two recommended) | Selection: Space, acceptance and course assignment standards are not published for 2027; course placement depends on age, prior attendance, preference and availability. Application materials: Scholarship applicants: scholarship request form, a letter of recommendation from a teacher or other adult role model, and an essay |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-10-24Source 6 · checked 2026-08-20Source 7 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22Source 6 · checked 2026-08-22Source 7 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-08-22Source 6 · checked 2026-08-22Source 7 · checked 2026-08-22 |
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