| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
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| Cost | Last year's cycle (2026): $790–$1,320; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): $2,950–$23,604; 2027: Unconfirmed — check official site |
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| Financial aid | Last year's cycle (2026): Need-based financial aid (up to 100% of base tuition): Amount: Unconfirmed — check official site. Open to Bay Area students completing grades K-10 and returning 11th graders; does not cover transportation, textbooks, supplies or program fees; not available to extended-deadline applicants.; 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 | Last year's cycle (2026): Scholarship for School District of Philadelphia public or charter high school students (Summer Academies and Online Seminars): Amount: Unconfirmed — check official site; 2027: Unconfirmed — check official site |
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| Expenses and aid conditions | Last year's cycle (2026): 2026 nonrefundable application fee: $60–$90. $60 for domestic students; $90 for students attending school outside the US.; Need-based financial aid (up to 100% of base tuition): Amount: Unconfirmed — check official site. Open to Bay Area students completing grades K-10 and returning 11th graders; does not cover transportation, textbooks, supplies or program fees; not available to extended-deadline applicants.; 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 | Last year's cycle (2026): Non-refundable application fee: $100; Non-refundable enrollment deposit (part of the total program fee): $1,500; Scholarship for School District of Philadelphia public or charter high school students (Summer Academies and Online Seminars): Amount: Unconfirmed — check official site; 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 7–11 when applying; summer rising grade is one higher | Grades 10–12; Grade timing: Unconfirmed — check official site | Grades 9–11 when applying; summer rising grade is one higher |
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| Additional eligibility | Requirement: Open to students currently in grades 7–11 when applying; Requirement: Some courses have academic prerequisites; Requirement: Current 6th graders who attended ATDP before may apply for a small selection of courses with a very strong application | 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 students currently in grades 9–11 when applying; Requirement: Successful applicants should have a minimum 3.5 high school GPA; Requirement: Pre-College programs are for current 10th-11th graders; Summer Academies and Online Seminars for current 9th-11th graders |
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| Session dates or duration | Last year's cycle (2026): Starts June 22, 2026; Ends July 31, 2026; 4–6 weeks; 2027: Unconfirmed — check official site | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Last year's cycle (2026): Starts May 26, 2026; Ends August 8, 2026; 2–6 weeks; 2027: Unconfirmed — check official site |
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| Format | In person / 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 | Unconfirmed — check official site |
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| Location | Berkeley, CA | Boston, MA | Philadelphia, PA |
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| Selection and application | 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: Academic product or essay (at least 500 words) | 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: Application-based and academically selective; cohort size and acceptance rate vary by program and were not stated on the overview. Application materials: Application essays (each up to 400 words), plus an extra essay for non-native English speakers; One letter of recommendation on the recommender's official letterhead |
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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 2026-08-20 | 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 2026-08-21Source 5 · checked 2026-08-21Source 6 · checked 2026-08-20 |
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