| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Cost | Last year's cycle (2026): $790–$1,320; 2027: Unconfirmed — check official site | Unconfirmed — check official site | Last year's cycle (2026): $7,208; 2027: Unconfirmed — check official site |
|---|
| 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): Need-based financial aid and travel grants: Amount: Unconfirmed — check official site. Free for domestic students with household income under $85,000; case-by-case awards above that and for international students.; 2027: Unconfirmed — check official site |
|---|
| 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): Application: $0. Applying is free.; Need-based financial aid and travel grants: Amount: Unconfirmed — check official site. Free for domestic students with household income under $85,000; case-by-case awards above that and for international students.; 2027: Unconfirmed — check official site |
|---|
| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Eligibility | Grades 7–11 when applying; summer rising grade is one higher | Grades 10–12; Grade timing: Unconfirmed — check official site | Grades 9–12; Grade timing: Unconfirmed — check official site |
|---|
| 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 grades 9–12; Requirement: Must not have already graduated from high school; Requirement: Most participants have just finished 10th or 11th grade; students who just completed 9th grade with more advanced math have attended; Requirement: International students are welcome to apply |
|---|
| 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 June 28, 2026; Ends August 8, 2026; 6 weeks; 2027: Unconfirmed — check official site |
|---|
| Format | In person / Online | In person | In person |
|---|
| 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 |
|---|
| Location | Berkeley, CA | Boston, MA | New residential campus for 2027 is not announced; Amherst, Massachusetts was the historical 2026 location |
|---|
| 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 review uses the form, letter, Interesting Test, and mathematical sponsor recommendation; no current acceptance rate or 2027 capacity is published. Application materials: Letter of recommendation from a sponsor who knows you in a mathematical context |
|---|
| 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 2026-10-24 |
|---|
