| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $3,900; 2027: Unconfirmed — check official site | Unconfirmed — check official site | $3,445–$7,195 (2027 cycle) |
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| Financial aid | Last year's cycle (2026): Need-based scholarships for online and commuter students: Amount: Unconfirmed — check official site; 2027: Unconfirmed — check official site | Last year's cycle (2026): Free for U.S. families with adjusted gross income under $80,000; need-based aid up to full cost: Amount: Unconfirmed — check official site. Aid for international students is decided case by case.; 2027: Unconfirmed — check official site | Sibling discount (5% of tuition): Amount: Unconfirmed — check official site. Discounts cannot be combined.; Educator-parent discount (10% of tuition): Amount: Unconfirmed — check official site. Requires proof of full-time employment as a primary or secondary educator.; Scholarships through partner organizations: Amount: Unconfirmed — check official site (2027 cycle) |
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| Expenses and aid conditions | Last year's cycle (2026): Non-refundable application fee: $60. A fee waiver can be requested.; Lab kit fee (estimated, plus taxes and shipping): $265. International students may incur customs fees.; Need-based scholarships for online and commuter students: Amount: Unconfirmed — check official site; 2027: Unconfirmed — check official site | Last year's cycle (2026): Free for U.S. families with adjusted gross income under $80,000; need-based aid up to full cost: Amount: Unconfirmed — check official site. Aid for international students is decided case by case.; 2027: Unconfirmed — check official site | Application fee: $95. Non-refundable.; Enrollment deposit: $700; Sibling discount (5% of tuition): Amount: Unconfirmed — check official site. Discounts cannot be combined.; Educator-parent discount (10% of tuition): Amount: Unconfirmed — check official site. Requires proof of full-time employment as a primary or secondary educator.; Scholarships through partner organizations: Amount: Unconfirmed — check official site (2027 cycle) |
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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 when applying; check the provider's rules for graduating seniors | Grades 10–12; Grade timing: Unconfirmed — check official site | Grades 7–12 and first-year college (provider uses rising grades) |
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| Additional eligibility | Requirement: Open to students currently in grades 9–12 when applying; Requirement: As and Bs in high school math and science classes; Requirement: Completed Algebra II; Requirement: Completed a course covering trigonometric functions; Requirement: Completed a full year of high school chemistry and/or physics with a lab (or a 4 or 5 on AP Chemistry or AP Physics 1); Requirement: Recent high school graduates may attend the summer before college | Ages 14–18; Requirement: Open to grades 10–12; Requirement: Have completed 9th grade (or its equivalent) by the first day of the program; Requirement: Not yet enrolled as a full-time college or university student; Requirement: Graduating seniors may attend in the summer between high school and college or during a gap year | Requirement: Open to rising grades 7–13; Requirement: High school trips: entering 9th grade through graduating 12th grade; Requirement: Middle school trip: entering 7th grade through graduating 8th grade |
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| Session dates or duration | Catalog terms: 5–6 weeks; 2027: Unconfirmed — check official site | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Catalog terms: 1–3 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 | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Worldwide synchronous participation, subject to Eastern Time attendance and lab-kit shipping/customs feasibility | Boston, MA | Program-specific international and U.S. territory itineraries; current departures use Houston, New York, Miami or self-booked flights |
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| Selection and application | Selection: Completed applications are academically reviewed. Rising juniors and seniors are typical, talented rising sophomores may be considered, and older students receive priority when space is limited. Programs can fill before final deadlines; no acceptance rate is published. Application materials: One brief required essay and one brief optional essay; Teacher recommendation | 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 letter of recommendation | Selection: Capacity- and fit-based enrollment rather than a single selective cohort. A completed application and payment reserve a space subject to trip availability, documentation, health and conduct requirements. |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24Source 5 · checked 2026-08-21Source 6 · checked 2026-08-21Source 7 · checked 2026-08-21Source 8 · checked 2026-08-21 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-20Source 5 · checked 2026-08-20Source 6 · checked 2026-08-20Source 7 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-20 |
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