| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): $790–$1,320; 2027: Unconfirmed — check official site |
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| Financial aid | Unconfirmed — check official site | Last year's cycle (2026): Need-based financial aid: Amount: Unconfirmed — check official site. Historical 2026 terms included free attendance for domestic households below $85,000, case-by-case aid above that threshold and for international students, and possible travel grants. Confirm 2027 terms.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Need-based aid and application-fee waiver: Amount: Unconfirmed — check official site. Available to early/standard applicants with required tax documentation; extended-deadline applicants were ineligible for aid.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Unconfirmed — check official site | Last year's cycle (2026): HCSSiM application: $0. The official finance page says applying is and will remain free.; Need-based financial aid: Amount: Unconfirmed — check official site. Historical 2026 terms included free attendance for domestic households below $85,000, case-by-case aid above that threshold and for international students, and possible travel grants. Confirm 2027 terms.; 2027: Unconfirmed — check official site | Last year's cycle (2026): 2026 application processing fee: $60–$90. USD 60 for students attending school in the United States and USD 90 for students attending school outside the US; non-refundable. Need-based fee waivers could be requested.; Need-based aid and application-fee waiver: Amount: Unconfirmed — check official site. Available to early/standard applicants with required tax documentation; extended-deadline applicants were ineligible for aid.; 2027: Unconfirmed — check official site |
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| Stipend or pay | Catalog terms: Summer 2027 NIH SIP stipend: Unconfirmed — check official site; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grade 12 when applying; check the provider's rules for graduating seniors | Unconfirmed — check official site | Grades 7–11 when applying; summer rising grade is one higher |
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| Additional eligibility | Minimum age 17; Citizenship: U.S. citizen; Citizenship: U.S. permanent resident; Residency: A graduating senior who is 17 on June 1, 2027 and turns 18 by September 30 must have a permanent home address within 40 miles of an NIH campus; Residency: Permanent residents must attend or be accepted by a U.S. educational institution; Requirement: Be enrolled at least half-time as a high-school senior when applying; Requirement: Graduate high school before the internship begins; Requirement: Be 18 by September 30, 2027 and satisfy the special local-residence rule if still 17 on June 1; Requirement: Provide proof of health insurance; Requirement: Be available for a full-time research position during work hours; Exclusion: Students in grades 9-11 are not eligible through this SIP rule; Exclusion: The program is unavailable to applicants who are neither U.S. citizens nor permanent residents; Exclusion: Summer classes or other daytime responsibilities are incompatible with the full-time position; Exclusion: Family employment at NIH may trigger nepotism restrictions; Exclusion: Application does not guarantee PI contact, interview, funding or placement | Requirement: Be a high-school student who has not already graduated; Requirement: Show strong motivation for sustained, proof-oriented college-level mathematics; Requirement: Complete the applicant form, motivation letter, Interesting Test, and mathematical sponsor process when the next cycle opens; Requirement: Commit to the full six-week residential session under the published program model; Exclusion: Students who have already graduated from high school under the published FAQ; Exclusion: Assuming the historical Hampshire College campus, 2026 dates, or 2026 price applies in 2027; Exclusion: Assuming grades, college credit, admission to Hampshire College, or another college outcome | Residency: International applications accepted; application fee depends on whether the student attends school inside or outside the United States; Requirement: Be in grades 7-11 when applying, subject to course grade ranges; Requirement: Meet every academic prerequisite for the preferred and alternate courses; Requirement: Submit a complete annual application; returning students are not guaranteed readmission; Requirement: Attend every live meeting and complete intensive homework/self-study; Requirement: For the narrow grade-6 exception, have prior ATDP attendance and a very strong application for an eligible course; Exclusion: Most current 6th graders are ineligible for Secondary Division; Exclusion: Course placement is not guaranteed and popular classes may fill; Exclusion: There are no excused absences; excess absence or conduct/homework violations may cause dismissal without refund; Exclusion: A-G approval, honors level or AP alignment does not itself confer UC Berkeley enrollment, college credit, AP credit, admission advantage or school acceleration credit |
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| Session dates or duration | Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 4–6 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | In person / Online |
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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 | Non-residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Bethesda, NIH campuses; exact campus and research group vary by placement | New residential campus for 2027 is not announced; Amherst, Massachusetts was the historical 2026 location | Berkeley, California, UC Berkeley campus for in-person courses; live Zoom for remote courses |
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| Selection and application | Selection: There is no centralized selection. Individual NIH PIs search applications, interview candidates, choose interns and supply funding; satisfying minimum eligibility does not guarantee a match. Application materials: Personal statement describing research experience, interests, goals and SIP fit | Selection: Application review uses the form, letter, Interesting Test, and mathematical sponsor recommendation; no current acceptance rate or 2027 capacity is published. Application materials: One sponsor who knows the applicant in a mathematical context and can provide a recommendation | Selection: Applications are reviewed on academic preparation, materials and course fit as they become complete. Classes generally cap at 20-24 students; returning students receive early priority but are not guaranteed admission or first-choice placement. Application materials: One current academic teacher's online Referral Form; a recommendation letter is not requested; Recent academic product or original analytical essay with at least 500 words of accompanying written explanation |
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| Official sources | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22 | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20 | Source 1 · checked 2026-08-21Source 2 · checked 2026-08-21Source 3 · checked 2026-08-20 |
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