| Application deadline | March 31, 2027 (2027 cycle) | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Last year's cycle (2026): $4,495; 2027: Unconfirmed — check official site |
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| Financial aid | Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | Unconfirmed — check official site | Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 9–11; Grade timing: Unconfirmed — check official site | Grades 10–12; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | Residency: For the July program, reside in the United States; Residency: Physically attend high school in the United States; Residency: Remain in the United States for the duration of BWSI; Requirement: Register for the relevant BWSI online prerequisite course before summer consideration; Requirement: Complete the course-specific minimum online work; Requirement: Submit the separate summer enrollment application; Requirement: Meet the selected course's technical prerequisites; Requirement: Accepted students are generally finishing grade 11 and entering grade 12; Exclusion: Current high-school seniors, college students, and students below grade 9 were not eligible for the 2026 July program; Exclusion: Students living or attending school outside the United States could take online prerequisites but were not eligible for the centrally administered July program; Exclusion: Summer course modality and prerequisites vary by course | Ages 14–18; Requirement: Be age 14-18 during the high-school program; Requirement: Have completed at least one year of high school; Requirement: Apply online and place the required deposit; Requirement: Be able to participate in the full residential, two-city session; Exclusion: A nomination or invitation is not required; Exclusion: Capacity, acceptance, and deposit do not guarantee a scholarship, college credit, university admission, internship, or career outcome; Exclusion: Travel to Washington and home from New York is not included |
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| Session dates or duration | Catalog terms: 4 weeks; 2027: Unconfirmed — check official site | Catalog terms: 1.29 weeks; 2027: Unconfirmed — check official site |
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| Format | Online / In person | In person |
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| Housing and supervision | Non-residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Cambridge, Massachusetts, Remote online prerequisite access | Washington, DC, New York, New York, Georgetown University and Columbia University |
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| Selection and application | Selection: Competitive summer selection based partly on prerequisite-course performance, technical preparation, essays, school-supporting information, and recommendation; online prerequisite access is broader. Application materials: Three essays of no more than 500 words each; One teacher or adult-mentor recommendation | Selection: NSLC accepts direct applications as well as nominated or invited students and continues enrollment while space remains. The official pages do not publish applicant counts, acceptance rates, or a competitive selection rubric. |
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| Official sources | Source 1 · checked 2026-10-09Source 2 · checked 2026-10-09Source 3 · checked 2026-10-09Source 4 · checked 2026-10-09Source 5 · checked 2026-10-09Source 6 · checked 2026-10-09Source 7 · checked 2026-08-22 | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-20 |
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