| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Cost | Unconfirmed — check official site | $3,995–$6,990 (2027 cycle) | Catalog terms: $500; 2027: Unconfirmed — check official site |
|---|
| 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 | Partial tuition-assistance scholarships: Amount: Unconfirmed — check official site. Limited; based on financial need, academic achievement, promise and available funds; considered only after acceptance. (2027 cycle) | Catalog terms: Need-based financial aid: Amount: Unconfirmed — check official site. Sliding scale; can cover up to 100% of tuition.; 2027: Unconfirmed — check official site |
|---|
| 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 | Application fee: $0; Partial tuition-assistance scholarships: Amount: Unconfirmed — check official site. Limited; based on financial need, academic achievement, promise and available funds; considered only after acceptance. (2027 cycle) | Catalog terms: Non-refundable deposit: $200. Due within 10 days of acceptance.; Need-based financial aid: Amount: Unconfirmed — check official site. Sliding scale; can cover up to 100% of tuition.; 2027: Unconfirmed — check official site |
|---|
| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Eligibility | Grades 10–12; Grade timing: Unconfirmed — check official site | Grades 11–12 (provider uses rising grades) | Unconfirmed — check official site |
|---|
| 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 | Requirement: Open to rising grades 11–12; Requirement: Proof of English proficiency may be required for students whose first language is not English or who attend a non-English-speaking school outside the United States | Ages 11–14; Requirement: Open to girls, including students who identify as girls, gender-nonconforming students and students assigned female at birth; Requirement: Interest and background in a STEM subject; coding experience is not required; Requirement: International students are accepted |
|---|
| Session dates or duration | Starts June 27, 2027; Ends August 7, 2027; 6 weeks (2027 cycle) | Starts July 11, 2027; Ends August 6, 2027; 2–4 weeks (2027 cycle) | Starts July 25, 2027; Ends July 30, 2027; 1 week (2027 cycle) |
|---|
| Format | In person | In person | Online |
|---|
| Housing and supervision | Residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
|---|
| Location | Boston, MA | Boston, MA | Unconfirmed — check official site |
|---|
| 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 | Unconfirmed — check official site | Selection: Approximately 20 students are admitted annually after application review; decisions were generally sent within 21 days for 2026. |
|---|
| 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 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-10Source 4 · checked 2026-10-10Source 5 · checked 2026-08-21Source 6 · checked 2026-08-21Source 7 · checked 2026-08-20 | Source 1 · checked 2026-10-24Source 2 · checked 2026-10-24Source 3 · checked 2026-10-24Source 4 · checked 2026-08-21 |
|---|