| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $1,695–$2,195; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): $699–$2,500; 2027: Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): 2026 qualifying competition-achievement discount: $100. One $100 completion-paid discount with proof for specified MATHCOUNTS National, USAJMO or USAMO achievements.; 2027: Unconfirmed — check official site | Last year's cycle (2026): U.S. family-income guarantee: Amount: Unconfirmed — check official site. U.S. students from families under $80,000 attended free in 2026.; Full/partial need-based aid and international aid: Amount: Unconfirmed — check official site. Aid available where cost is a barrier; international aid considered case by case.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Limited need-based scholarships: Amount: Unconfirmed — check official site. Very limited; did not cover residential fees or international students. The separate GI Partners path listed eight Boston-area rising-senior awards below a household-income threshold.; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): 2026 standard online placement test: $50–$100. Students not recently enrolled generally tested; scheduled-session fee rose closer to summer and was nonrefundable and nontransferable. A special session could cost $150.; 2026 qualifying competition-achievement discount: $100. One $100 completion-paid discount with proof for specified MATHCOUNTS National, USAJMO or USAMO achievements.; 2027: Unconfirmed — check official site | Last year's cycle (2026): U.S. family-income guarantee: Amount: Unconfirmed — check official site. U.S. students from families under $80,000 attended free in 2026.; Full/partial need-based aid and international aid: Amount: Unconfirmed — check official site. Aid available where cost is a barrier; international aid considered case by case.; 2027: Unconfirmed — check official site | Last year's cycle (2026): Residential housing and meals: $699–$2,097. USD 699 per week; included dormitory, three meals daily, supervision, and residential activities. Snacks excluded.; Seat deposit: $200–$500. USD 200 for one-week programs and USD 500 for three-week or remote programs; credited toward tuition.; Optional airport transportation: $50–$99. USD 50 departure one-way, USD 75 arrival one-way, or USD 99 round trip for 2026.; Optional linen rental: $50. Included sheets, pillowcase, and towel.; Limited need-based scholarships: Amount: Unconfirmed — check official site. Very limited; did not cover residential fees or international students. The separate GI Partners path listed eight Boston-area rising-senior awards below a household-income threshold.; 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 | Grades 4–12; Grade timing: Unconfirmed — check official site | Grades 10–12; Grade timing: Unconfirmed — check official site | Grades 6–12; Grade timing: Unconfirmed — check official site |
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| Additional eligibility | Requirement: Be a rising fourth- through twelfth-grader for Math Challenges or a seventh- through twelfth-grader for Advanced Studies; Requirement: Provide accurate age, grade, math-course and official contest-score history; Requirement: Take an assigned placement test unless exempt as a recent IDEA MATH student; Requirement: Accept the academic team's final course placement; Requirement: Attend all live Eastern-time Zoom classes with camera and microphone on; Requirement: Complete homework and present mathematical solutions in class; Exclusion: The two summer tracks have different grade ranges, dates, course levels and prices; Exclusion: Registration alone does not complete enrollment; tuition must be paid in full; Exclusion: A preferred course is not guaranteed because placement, enrollment, staffing and capacity control offerings; Exclusion: Only enrolled students may enter the live Zoom classroom, and recording or photography is prohibited | Ages 14–18; Residency: Students from the United States and abroad are eligible; international financial aid is case by case; Requirement: Be age 14-18 by the applicable program cutoff; Requirement: Have completed grade 9 or equivalent before the session; Requirement: Not be enrolled full time in a college or university by the program's first day; Requirement: Be available for the entire six-week residential session and comply with dormitory, curfew, visiting, safeguarding, and conduct rules; Requirement: Independently attempt the official application problem set and explain experiments, conjectures, proofs, and partial progress; Requirement: Submit the required recommendation, transcript, form, short answers, and any financial-aid documents; Requirement: Retain scratch work and be prepared to explain reasoning if originality is verified; Exclusion: Applicants outside the age/education window or already full-time college students at program start; Exclusion: Collaborative, copied, AI-assisted, internet-generated, uncited, or inadequately explained problem-set work; Exclusion: Applicants unable to reside for the full six weeks or follow residential/safety expectations; Exclusion: Assuming all eight problems must be solved or that prior advanced courses/research are required; Exclusion: Assuming selection guarantees aid, publication, conference presentation, college credit, recommendation, admission advantage, internship, or job | Requirement: Select a course matching the student's entering grade and readiness; Requirement: Three-week programs: normally enter grade 8 through college and complete competitive admission; Requirement: One-week programs: perform at grade level or above and register while space remains; Requirement: Pre-high-school programs: meet the specific middle-school grade band; Requirement: Remote students need a suitable device and synchronous availability; Requirement: International students must arrange travel status and pay in full before BLI issues an invitation letter; Exclusion: Not every course accepts every grade in the umbrella range; Exclusion: Three-week and remote acceptance is not guaranteed; Exclusion: Housing, single-room requests, scholarships, preferred campus, airport transport, and course capacity are not guaranteed; Exclusion: International students were ineligible for the general need-based aid described in the 2026 FAQ |
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| Session dates or duration | Last year's cycle (2026): Starts June 28, 2026; Ends August 11, 2026; 5–6.43 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Catalog terms: 1–3 weeks; 2027: Unconfirmed — check official site |
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| Format | Online | 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 | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Live online in U.S. Eastern Time | Boston, Boston University campus, Massachusetts | Boston, Massachusetts, Waltham, Massachusetts, Wellesley, Massachusetts, Weston, Massachusetts, Greater Boston |
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| Selection and application | Selection: Placement is academic and capacity-limited rather than governed by a published acceptance rate. Likely class sizes were 6-12 in early prealgebra levels and 6-16 in others, with stated caps of 16 or 20. | Selection: About 80 high-school students are selected through demonstrated mathematical thinking in the problem set, academic context, recommendation, transcript, and short answers. PROMYS does not publish the current applicant count or acceptance rate. Application materials: One recommendation | Selection: Three-week and remote programs used competitive rolling review based on academic record, curiosity, subject commitment, perspective, and experience. One-week and pre-high-school programs were capacity-based registration. Application materials: Student-written application essay |
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| Official sources | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-20 | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20Source 5 · checked 2026-08-20Source 6 · 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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