| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | $2,499–$16,999 (2027 cycle) | Unconfirmed — check official site | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site |
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| Financial aid | Limited scholarship assistance: Amount: Unconfirmed — check official site. Primarily provided through mentoring organizations; individual scholarships are limited. (2027 cycle) | Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | Summer Discovery application fee: $100. Nonrefundable and not applied to tuition; scholarship applicants denied aid may receive it back subject to listed program exceptions.; Limited scholarship assistance: Amount: Unconfirmed — check official site. Primarily provided through mentoring organizations; individual scholarships are limited. (2027 cycle) | Unconfirmed — check official site | 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; Grade timing: Unconfirmed — check official site | Grade 11 when applying; summer rising grade is one higher | Grades 10–11 when applying; summer rising grade is one higher |
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| Additional eligibility | Residency: Domestic and international options are offered; destination and visa/entry requirements vary; Requirement: Be in grade 9-12 for the high-school offering; Requirement: Choose a campus and course matching the published grade and prerequisite rules; Requirement: Submit a complete application and $100 fee; Requirement: Meet program-specific health, conduct, housing and travel requirements; Requirement: Pay the updated 2027 deposit and balance after acceptance; Exclusion: Campus partnerships do not confer university student status or admission; Exclusion: Courses, grade ranges, dates, residential/commuter availability and academic prerequisites differ; Exclusion: The stale 2026 payment schedule is not a confirmed 2027 deadline; Exclusion: A certificate or recognition letter is not necessarily university credit or a transcript; Exclusion: Rolling review does not guarantee a preferred campus, course or roommate | Citizenship: U.S. citizens eligible regardless of residence; Citizenship: Non-U.S. citizens already in the United States on F-1 status eligible; Citizenship: Other U.S. visa holders must ask GSTEM to confirm eligibility; Residency: Non-U.S. citizens living outside the United States are not eligible; Requirement: Be a current high-school junior; Requirement: Show strong academic work, STEM aptitude, and demonstrated STEM interest; Requirement: Support GSTEM's mission of serving groups historically excluded from STEM; Requirement: Attend every day for all six weeks; Requirement: Do not participate in another program simultaneously; Exclusion: Current sophomores, seniors, and non-U.S. citizens living outside the United States; Exclusion: Applicants unable to attend the full six-week program | Minimum age 16; Citizenship: Students age 18 at the workshop start had to be U.S. citizens for the 2026 cycle; Citizenship: All applicants had to meet LLNL access restrictions under 2025 NDAA Section 3112; current official review controls; Residency: Attend a Northern California public, charter, private, or home school; Requirement: Be at least 16 by the first workshop day; Requirement: Enter grade 11 or 12 in fall 2026; Requirement: Have at least a 3.3 cumulative GPA; Requirement: Have at least a 3.5 science GPA; Requirement: Complete Biology and Chemistry or Integrated Science Series I and II by the end of the current school year; Requirement: Qualify for access to the Laboratory's non-public areas; Requirement: Attend every weekday and provide daily transportation, lunch, and a laptop; Exclusion: Students entering grade 10 in the cited cycle; Exclusion: Students younger than 16 at the start; Exclusion: Students outside the Northern California school requirement; Exclusion: Students age 18 at the start who were not U.S. citizens; Exclusion: Applicants who cannot obtain access under current national-security law and LLNL screening; Exclusion: Assuming legal permanent residence alone replaces the specific age-18 citizenship rule; Exclusion: Assuming the 2026 GPA, citizenship, school, or NDAA rules will remain unchanged in a later cycle |
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| Session dates or duration | Catalog terms: 2–6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts July 13, 2026; Ends July 24, 2026; 2 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | In person |
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| Housing and supervision | Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Los Angeles, New Haven, Hanover, Ann Arbor, Washington, Berkeley, Austin, Santa Barbara, Philadelphia, Vancouver, Oxford, Cambridge, Multiple university campuses; residential and commuter options vary by listing | New York City, New York | Livermore, California, Lawrence Livermore National Laboratory non-public workshop areas |
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| Selection and application | Selection: Qualified students are admitted first come on a rolling basis until program, course and housing capacity fills. Highly specialized partner programs may have additional selection rules. | Selection: GSTEM admits 40 current juniors. Review is competitive and considers academic work, essays, STEM activities, and one recommendation. Application materials: Four short essays; One recommendation from a teacher, advisor, or counselor; Separate data-science essay for Winston Data Scholarship consideration | Selection: Applications are competitive and space is limited; LLNL publishes no acceptance rate or guaranteed cohort size on the official page. Application materials: Biology or Chemistry teacher contact information for one recommendation |
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| Official sources | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-22Source 4 · checked 2026-08-22Source 5 · checked 2026-08-22 | 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 2026-08-20 | Source 1 · checked 2026-08-20 |
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