| Application deadline | Unconfirmed — check official site | Unconfirmed — check official site | April 1, 2027 (2027 cycle) |
|---|
| Cost | Unconfirmed — check official site | Unconfirmed — check official site | $600 (2027 cycle) |
|---|
| Financial aid | Unconfirmed — check official site | Last year's cycle (2026): Need-based financial aid: Amount: Unconfirmed — check official site. Historical 2026 terms included free attendance for domestic households below $85,000, case-by-case aid above that threshold and for international students, and possible travel grants. Confirm 2027 terms.; 2027: Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Expenses and aid conditions | Unconfirmed — check official site | Last year's cycle (2026): HCSSiM application: $0. The official finance page says applying is and will remain free.; Need-based financial aid: Amount: Unconfirmed — check official site. Historical 2026 terms included free attendance for domestic households below $85,000, case-by-case aid above that threshold and for international students, and possible travel grants. Confirm 2027 terms.; 2027: Unconfirmed — check official site | Ohio State residence hall, linens, and supervision: $0. Included in the $600 fee.; Program meals: $0. Included in the $600 fee. (2027 cycle) |
|---|
| Stipend or pay | Unconfirmed — check official site | Unconfirmed — check official site | Unconfirmed — check official site |
|---|
| Eligibility | Unconfirmed — check official site | Unconfirmed — check official site | Grades 9–11 when applying; summer rising grade is one higher |
|---|
| Additional eligibility | Requirement: Normally not have completed high school before class begins; Requirement: Demonstrate the mathematical maturity of an advanced high-school student; Requirement: Be prepared for intensive college-level lectures, problems, independent work, and mathematical communication; Requirement: Meet any future course-specific readiness or scheduling requirements; Exclusion: Assuming grades 9-12 is a fixed rule; sufficiently prepared middle-school students may apply; Exclusion: Assuming competition mathematics, prior research, a published prerequisite course, or Bay Area residence is required; Exclusion: Assuming admission, financial aid, academic credit, publication, recommendation, or a research result is guaranteed | Requirement: Be a high-school student who has not already graduated; Requirement: Show strong motivation for sustained, proof-oriented college-level mathematics; Requirement: Complete the applicant form, motivation letter, Interesting Test, and mathematical sponsor process when the next cycle opens; Requirement: Commit to the full six-week residential session under the published program model; Exclusion: Students who have already graduated from high school under the published FAQ; Exclusion: Assuming the historical Hampshire College campus, 2026 dates, or 2026 price applies in 2027; Exclusion: Assuming grades, college credit, admission to Hampshire College, or another college outcome | Residency: Ohio resident; Requirement: Be a current high-school freshman, sophomore, or junior; Requirement: Submit a teacher recommendation; Requirement: Show ability to work on a team and willingness to learn new STEM concepts; Requirement: Be available for the full residential session; Exclusion: Students outside Ohio are not eligible; Exclusion: Individualized scholarships are not available |
|---|
| Session dates or duration | Unconfirmed — check official site | Catalog terms: 6 weeks; 2027: Unconfirmed — check official site | Starts June 6, 2027; Ends June 17, 2027; 2 weeks (2027 cycle) |
|---|
| Format | Unconfirmed — check official site | In person | In person |
|---|
| Housing and supervision | Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site | Residential. Supervision and housing details: Unconfirmed — check official site |
|---|
| Location | Unconfirmed — check official site | New residential campus for 2027 is not announced; Amherst, Massachusetts was the historical 2026 location | Columbus, Ohio, Ohio Supercomputer Center and The Ohio State University campus |
|---|
| Selection and application | Selection: Applicants must persuade Euler Circle that they are prepared and a good instructional fit; Euler Circle says ordinary seat scarcity usually is not the main constraint and does not publish acceptance statistics. | Selection: Application review uses the form, letter, Interesting Test, and mathematical sponsor recommendation; no current acceptance rate or 2027 capacity is published. Application materials: One sponsor who knows the applicant in a mathematical context and can provide a recommendation | Selection: Competitive and space-limited; applications are evaluated for teamwork and willingness to learn, but capacity and acceptance rate are not published. Application materials: One teacher recommendation |
|---|
| Official sources | Source 1 · checked 2026-10-12Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20 | Source 1 · checked 2026-08-20Source 2 · checked 2026-08-20Source 3 · checked 2026-08-20Source 4 · checked 2026-08-20 | Source 1 · checked 2026-10-09Source 2 · checked 2026-10-09Source 3 · checked 2026-08-22 |
|---|
