| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Last year's cycle (2026): $5,518; 2027: Unconfirmed — check official site | Last year's cycle (2026): $2,000–$5,800; 2027: Unconfirmed — check official site |
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| Financial aid | 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 | Unconfirmed — check official site |
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| Expenses and aid conditions | 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 | Last year's cycle (2026): Summer 2026 application fee: $70. Nonrefundable.; Honors enrollment deposit: $1,000. Nonrefundable and due within two weeks of the 2026 admission decision.; 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 | Unconfirmed — check official site | Grades 9–12 (provider uses rising grades) | Grades 10–12 (provider uses rising grades) |
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| Additional eligibility | Residency: Applicants may apply from anywhere in the world through a regional or global selection committee; Requirement: Previously published eligibility, requiring confirmation for a future cycle: Be at least 15 when the session starts and not yet 17 when it ends; Requirement: Previously published eligibility, requiring confirmation for a future cycle: Attend the entire four-week residential session; Requirement: Previously published eligibility, requiring confirmation for a future cycle: Communicate in English well enough for safety instructions and full participation; Requirement: Previously published eligibility, requiring confirmation for a future cycle: For international campers, obtain a valid passport and visa when required; Requirement: Previously published eligibility, requiring confirmation for a future cycle: If accepted, complete physical and mental-health evaluation and vaccination documentation; request available exemptions as needed; Requirement: Previously published eligibility, requiring confirmation for a future cycle: Children/grandchildren of alumni use the separate legacy-camper application route; Requirement: Accepted 2026 age rules were at least 15 at session start and not yet 17 at its end; future cycle rules are unconfirmed.; Exclusion: LAJF states no age exceptions for first-year CRS applicants; Exclusion: 2026 applications are closed; Exclusion: A complete application does not guarantee an interview or admission; Exclusion: The separate TELE program is not Camp Rising Sun; Exclusion: Second-year campers and legacy campers use different application rules | 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 | Ages 15–18; Requirement: Two-week pathway: be a rising sophomore, junior, or senior and age 15-18 under the cycle's exact boundary dates; Requirement: Honors pathway: be a rising senior graduating in the stated following year with GPA 3.5 or higher; Requirement: Meet the selected course's academic and delivery requirements; Requirement: International applicants using English as a second language must meet the pathway's test threshold or approved English-medium-school waiver; Exclusion: Students cannot apply to or attend both the Two-Week and Honors pathways in the same cycle; Exclusion: The 2026 noncredit program excluded students younger than 15 on June 28 or turning 19 by August 7; Exclusion: Honors was limited to rising seniors and online delivery; Exclusion: Program acceptance does not guarantee Boston College undergraduate admission |
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| Session dates or duration | Unconfirmed — check official site | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 2–6 weeks; 2027: Unconfirmed — check official site |
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| Format | Unconfirmed — check official site | In person | In person / Online |
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| Housing and supervision | 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, 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 | Chestnut Hill, Massachusetts, Greater Boston |
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| Selection and application | Selection: Regional/global selection committees review applications for cohort fit and invite some applicants to interview. LAJF seeks diverse strengths, backgrounds, interests, and commitment to change, but does not publish current applicant totals, cohort size, or acceptance rate. Application materials: If selected: regional/global committee interview | 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 | Selection: Seats were limited and complete applications were reviewed for academic readiness. Honors required at least a 3.5 GPA; no acceptance rate is published. Application materials: Two letters of recommendation; Two-week: statement of purpose and course-specific essay; Honors: 250-500-word program and course essay and one or two course selections |
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| Official sources | Source 1 · checked 2026-10-12Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20 | 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 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-21Source 4 · checked 2026-08-21Source 5 · checked 2026-08-20 |
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