| Application deadline | January 13, 2027 (2027 cycle) | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Cost | $4,180–$15,980 (2027 cycle) | Last year's cycle (2026): $1,695–$2,195; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Financial aid | Unconfirmed — check official site | Last year's cycle (2026): 2026 qualifying competition-achievement discount: $100. One $100 completion-paid discount with proof for specified MATHCOUNTS National, USAJMO or USAMO achievements.; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Expenses and aid conditions | 2027 application fee: $75 (2027 cycle) | Last year's cycle (2026): 2026 standard online placement test: $50–$100. Students not recently enrolled generally tested; scheduled-session fee rose closer to summer and was nonrefundable and nontransferable. A special session could cost $150.; 2026 qualifying competition-achievement discount: $100. One $100 completion-paid discount with proof for specified MATHCOUNTS National, USAJMO or USAMO achievements.; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Eligibility | Unconfirmed — check official site | Grades 4–12; Grade timing: Unconfirmed — check official site | Grade 11 when applying; summer rising grade is one higher |
|---|
| Additional eligibility | Ages 16–18; Citizenship: International students may apply to eligible formats with visa/English requirements; Citizenship: Financial aid is limited to U.S. citizens, permanent residents, and DACA recipients; Residency: Residential students live on campus; Residency: Commuters must live with a parent/guardian or approved adult age 25+ within reasonable commuting distance in New England; Residency: Online students participate from home; Requirement: Graduate high school and enter college in 2027, 2028 or 2029.; Requirement: Be at least 16 by June 13, 2027 and not turn 19 before July 31, 2027.; Requirement: Show maturity and academic readiness for intensive college-level work; Requirement: Meet selected-course prerequisites; Requirement: Submit English-proficiency evidence if English is not the native language; Requirement: Clear the calendar for the full program, especially residential study; Exclusion: An applicant may apply to only one Harvard Summer School high-school program in a year; Exclusion: International students using a Harvard-sponsored I-20 cannot take online classes; Exclusion: Participation does not guarantee Harvard College admission or another institution's acceptance of credit; Exclusion: No minimum GPA or required PSAT/SAT/ACT score is published | Requirement: Be a rising fourth- through twelfth-grader for Math Challenges or a seventh- through twelfth-grader for Advanced Studies; Requirement: Provide accurate age, grade, math-course and official contest-score history; Requirement: Take an assigned placement test unless exempt as a recent IDEA MATH student; Requirement: Accept the academic team's final course placement; Requirement: Attend all live Eastern-time Zoom classes with camera and microphone on; Requirement: Complete homework and present mathematical solutions in class; Exclusion: The two summer tracks have different grade ranges, dates, course levels and prices; Exclusion: Registration alone does not complete enrollment; tuition must be paid in full; Exclusion: A preferred course is not guaranteed because placement, enrollment, staffing and capacity control offerings; Exclusion: Only enrolled students may enter the live Zoom classroom, and recording or photography is prohibited | Residency: U.S. citizens may reside anywhere; Residency: Non-U.S. citizens must already live in the United States; F-1 students are explicitly eligible and other visa holders must confirm with GSTEM; Requirement: Be a current high-school junior at application time; Requirement: Demonstrate high aptitude in STEM; Requirement: Attend every day of the six-week program; Requirement: Not participate in another program simultaneously; Requirement: Be open to a mentor and research placement selected by GSTEM; Exclusion: Current sophomores and seniors are not eligible for the summer research program; Exclusion: Non-U.S. citizens living outside the United States are ineligible; Exclusion: The program is open to all genders; being a girl is not an eligibility requirement; Exclusion: Students may not miss part of the program or choose a specific mentor or research topic |
|---|
| Session dates or duration | Catalog terms: 4–7 weeks; 2027: Unconfirmed — check official site | Last year's cycle (2026): Starts June 28, 2026; Ends August 11, 2026; 5–6.43 weeks; 2027: Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site |
|---|
| Format | In person / Online | Online | In person |
|---|
| Housing and supervision | Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site | Non-residential. Supervision and housing details: Unconfirmed — check official site |
|---|
| Location | Cambridge, Massachusetts | Live online in U.S. Eastern Time | New York City, New York |
|---|
| Selection and application | Selection: Harvard evaluates essays, transcripts/current grades, counselor report, GPA, maturity, readiness, and program fit holistically; it publishes no minimum GPA and does not require standardized academic tests. Application totals, admit rate, option/course capacities, waitlist odds, and scholarship odds are not published. Application materials: Student-created online application and short essays | Selection: Placement is academic and capacity-limited rather than governed by a published acceptance rate. Likely class sizes were 6-12 in early prealgebra levels and 6-16 in others, with stated caps of 16 or 20. | Selection: GSTEM describes admission as competitive and admits 40 students each summer. Decisions consider high-school academics, essays, STEM activities, and one recommendation; applicant count and acceptance rate are not published. Application materials: Four essays; One recommendation from a teacher, advisor, or counselor; Optional Winston Data Scholarship essay |
|---|
| Official sources | Source 1 · checked 2026-10-09Source 2 · checked 2026-10-09Source 3 · checked 2026-10-09Source 4 · checked 2026-10-09Source 5 · checked 2026-10-09 | Source 1 · checked 2026-08-22Source 2 · checked 2026-08-22Source 3 · checked 2026-08-20 | Source 1 · checked 2026-10-09Source 2 · checked 2026-10-09Source 3 · checked 2026-08-21Source 4 · checked 2026-08-21Source 5 · checked 2026-08-21 |
|---|