| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Cost | $5,793 (2027 cycle) | Last year's cycle (2026): $4,615–$7,100; 2027: Unconfirmed — check official site | Last year's cycle (2026): $3,096–$17,935; 2027: Unconfirmed — check official site |
|---|
| 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) | Unconfirmed — check official site | Last year's cycle (2026): Need-based Sibley Scholarships: Amount: Unconfirmed — check official site. Awarded first-applied, first-awarded until funds are exhausted.; 2027: Unconfirmed — check official site |
|---|
| 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) | Last year's cycle (2026): Application fee: Amount: Unconfirmed — check official site. The current FAQ confirms the fee is nonrefundable but does not state its amount.; Tuition deposit: Amount: Unconfirmed — check official site. The current FAQ confirms a deposit and historical refund rules but not the amount.; Required international health insurance: Amount: Unconfirmed — check official site. Required for international scholars; current price is not stated.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Application fee: $80. Non-refundable; fee waivers available.; Enrollment deposit after admission: $500. Non-refundable.; Limited-coverage accident insurance (international students and uninsured U.S. students): $80; Need-based Sibley Scholarships: Amount: Unconfirmed — check official site. Awarded first-applied, first-awarded until funds are exhausted.; 2027: Unconfirmed — check official site |
|---|
| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Eligibility | Grades 9–12 (provider uses rising grades) | Grades 6–9 (provider uses rising grades) | Grades 8–12; Grade timing: Unconfirmed — check official site |
|---|
| 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) | Requirement: Open to rising grades 6–9; Requirement: International Scholars must score 4.0 or higher on Vericant's Spoken English Evaluation (SEE) before registering, unless English is their native language and they attend school full time in the United States | Ages 13–18; Requirement: Open to grades 8–12; Requirement: Course choices depend on the student's age and grade level |
|---|
| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Starts July 12, 2027; Ends July 30, 2027; 3 weeks (2027 cycle) | Catalog terms: 1–7 weeks; 2027: Unconfirmed — check official site |
|---|
| Format | In person | In person | In person / Online / Hybrid |
|---|
| 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 |
|---|
| Location | Davis, Irvine, Los Angeles, Merced, San Diego, Santa Cruz, CA | Lawrenceville, NJ | Providence, Barcelona, Oxford, RI, AK, FL |
|---|
| 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: Registration is rolling and capacity-limited. The program may use a waitlist and class-specific waitlists, but it does not publish seats, applicant volume, acceptance rates, or course capacity. Application materials: Vericant Spoken English Evaluation video interview (international Scholars) | Selection: Brown reviews applications holistically for academic performance, intellectual curiosity, motivation, maturity, and English proficiency. Admission is separate from course enrollment, which depends on eligibility and remaining capacity; no umbrella acceptance rate is published. Application materials: Essay of 250 to 500 words; Optional supplementary essay; Recommendation (optional for most programs; required for Pre-Baccalaureate) |
|---|
| 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 2026-08-21 | 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 2026-10-24Source 7 · checked 2026-10-24Source 8 · checked 2026-10-10 |
|---|