| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Cost | $6,450–$14,950 (2027 cycle) | $5,793 (2027 cycle) | Last year's cycle (2026): $1,400; 2027: Unconfirmed — check official site |
|---|
| Financial aid | 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) | 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) | Last year's cycle (2026): Early-bird discount when registered and paid in full by March 2, 2026: $150; Do Something Big need-based scholarship: Up to $600. For registered campers who demonstrate financial need.; 2027: Unconfirmed — check official site |
|---|
| Expenses and aid conditions | 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) | 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) | Last year's cycle (2026): Registration deposit (applied to tuition): $200. Non-refundable once enrollment is approved.; Early-bird discount when registered and paid in full by March 2, 2026: $150; Airport shuttle to and from GSP, each way: $100; Do Something Big need-based scholarship: Up to $600. For registered campers who demonstrate financial need.; 2027: Unconfirmed — check official site |
|---|
| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Eligibility | Unconfirmed — check official site | Grades 9–12 (provider uses rising grades) | Grades 9–12 (provider uses rising grades) |
|---|
| Additional eligibility | Ages 14–17; Requirement: Must currently be in high school; not open to college students or other adults | 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) | Maximum age 17; Requirement: Open to rising grades 9–12; Requirement: Students who turn 18 before or during their session are not eligible; Requirement: Some courses are limited to rising 10th-12th or 11th-12th graders |
|---|
| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts June 7, 2026; Ends July 24, 2026; 1 week; 2027: Unconfirmed — check official site |
|---|
| Format | In person / Online | In person | In person |
|---|
| 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 |
|---|
| Location | Berkeley, CA | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA | Clemson, SC |
|---|
| Selection and application | 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: 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) | Application materials: Letter of recommendation from a teacher, coach, counselor or tutor if weighted GPA is below 3.3 |
|---|
| 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 2026-08-21Source 6 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-22Source 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 2026-10-24Source 6 · checked 2026-10-24 |
|---|