| Application deadline | Unconfirmed — check official site | February 5, 2027 (2027 cycle) | Unconfirmed — check official site |
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| Cost | Unconfirmed — check official site | Unconfirmed — check official site | Catalog terms: Free attendance; check separate expenses; 2027: Unconfirmed — check official site |
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| Financial aid | 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 | Unconfirmed — check official site | Unconfirmed — check official site |
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| Expenses and aid conditions | 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 | Unconfirmed — check official site | Unconfirmed — check official site |
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| Stipend or pay | Unconfirmed — check official site | Catalog terms: Summer stipend: $1,200; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
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| Eligibility | Grades 10–12; Grade timing: Unconfirmed — check official site | Grade 11 when applying; summer rising grade is one higher | Grade 11 when applying; summer rising grade is one higher |
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| Additional eligibility | 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 | Minimum age 16; Citizenship: Legally authorized to work in the United States; Residency: NY; Residency: NJ; Residency: CT; Requirement: Open to students currently in grade 11 when applying; Requirement: Must live in New York, New Jersey, or Connecticut within 25 miles of MSK's Main Campus on the Upper East Side of Manhattan; Requirement: Must be 16 or older by June 2027; Requirement: Science GPA of 3.5; Requirement: Must commit to the full eight weeks onsite | Citizenship: US citizen; Citizenship: US permanent resident; Requirement: Open to students currently in grade 11 when applying; Requirement: Public, private, or homeschooled students are eligible |
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| Session dates or duration | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Starts June 29, 2027; Ends August 20, 2027; 8 weeks (2027 cycle) | Last year's cycle (2026): Starts June 20, 2026; Ends July 31, 2026; 6 weeks; 2027: Unconfirmed — check official site |
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| Format | In person | In person | In person |
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| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
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| Location | Boston, MA | New York, NY | Cambridge, MA |
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| Selection and application | 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 | Application materials: Short essay responses; Two confidential recommendation letters from a STEM teacher, guidance counselor or research mentor | Selection: MITES seeks strong, STEM-motivated students and prioritizes educational access in holistic review, but the current pages do not publish applications, cohort size or acceptance rate for 2027. Application materials: Three recommendations: a math or science teacher, a humanities teacher, and a school counselor or administrator |
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| Official sources | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-20Source 5 · checked 2026-08-20Source 6 · checked 2026-08-20Source 7 · checked 2026-08-20 | Source 1 · checked 2026-10-24 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-10-24 |
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