| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | $5,793 (2027 cycle) | $6,450–$14,950 (2027 cycle) | Unconfirmed — check official site |
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| Financial aid | 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) | Need-based tuition discount: Amount: Unconfirmed — check official site. 10–80% off online tuition or 10–50% off San Francisco tuition; no full-ride scholarships; parents' income statements for the last 12 months are required. (2027 cycle) | Last year's cycle (2026): 2026 Dean's Fellowship for online Pre-College: Up to $950. Need-based, expected average $500, and available only to students ultimately registered online. No 2027 aid is announced.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | 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) | Non-refundable deposit (counts toward tuition): $700. Due within 14 days of acceptance; the remaining tuition is charged 14 days after the deposit.; Need-based tuition discount: Amount: Unconfirmed — check official site. 10–80% off online tuition or 10–50% off San Francisco tuition; no full-ride scholarships; parents' income statements for the last 12 months are required. (2027 cycle) | Last year's cycle (2026): 2026 Pre-College application fee: $85. Historical nonrefundable fee; not confirmed for 2027.; 2026 initial tuition payment: $1,950. Applied toward total tuition and initiated course registration; not an additional fee. Course placement remained subject to availability.; 2026 Dean's Fellowship for online Pre-College: Up to $950. Need-based, expected average $500, and available only to students ultimately registered online. No 2027 aid is announced.; 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 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: 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 14–17; Requirement: Must currently be in high school; not open to college students or other adults | Requirement: Open to students currently in grades 9–12 when applying; Requirement: Cumulative GPA of 3.0 or higher on a 4.0 scale; Requirement: Successful completion of 9th grade before the program starts; Requirement: Some programs require specific prior coursework |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 2 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person / Online | In person / Online |
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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 | Unconfirmed — check official site |
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| Location | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA | Berkeley, CA | Baltimore, MD |
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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: Online application with one personal statement; One teacher recommendation (two recommended) | Selection: Leangap reviews applicants for fit using motivation, initiative, collaboration, problem solving, skills, and impact. Each 2026 format was limited to 40 seats, but no applicant count or acceptance rate is published. Application materials: Parents' income statements for the last 12 months (financial aid applicants) | Selection: Applicants must meet GPA, grade-completion, document, and course-prerequisite rules; course placement remains capacity-dependent. No general acceptance rate is published. |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-22Source 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 2026-08-21Source 6 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-20 |
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