Math
HCSSiM (Hampshire College Summer Studies in Mathematics)
HCSSiM is a 6-week residential program run by Hampshire College. Open to: mostly students who have finished 10th or 11th grade; some after 9th grade.
- Last cycle's deadline
- April 17, 2026, 11:59 pm E
- 2027 date not posted yet
- Cost
- Paid, aid available
- Who can apply
- Grades 9 to 11
- current grade when applying
- Length
- 6 weeks
- Residential
What students do
Students live in Hampshire College dorms and do mathematics for six weeks, with four hours of morning classes Monday through Saturday and evening problem sessions. Afternoons are left for reading, recreation and informal study.
- Mathematics
Key facts
- Run by
- Hampshire College
- Where
- Amherst, MA (residential)
- Who can apply
- Mostly students who have finished 10th or 11th grade; some after 9th grade
- Dates
- June 28 to August 8, 2026These are the 2026 dates. 2027 dates are not posted yet.
- Cost
- $7,208 for 2026, covering tuition, room, three meals a day for six weeks and a recreation fee; applying is free
- Deadline
- April 17, 2026, 11:59 pm EST (Interesting Test due April 25, 2026)This was last cycle’s deadline. The 2027 date is not posted yet.
- Selectivity
- The site says it expects 51 students for summer 2026.
What the application asks for
- Essays or short answers
- Teacher recommendation
An application form with short answers, a letter about the student's reasons and motivations, a recommendation from someone who knows the student in a mathematical context, and the program's Interesting Test.
How a mentor helps with your HCSSiM application
- Decide whether HCSSiM fits, and which similar programs to apply to alongside it.
- Work backward from the deadline so essays, recommendations, and forms are not left to the last week.
- Draft and revise the essays or short answers with one-on-one feedback.
Email me the HCSSiM deadlines and requirements
A link to this page, plus our list of similar programs.
Similar programs
| Program | Where | Who can apply | Cost | Deadline |
|---|---|---|---|---|
| PROMYSPROMYS at Boston University | Boston, MAResidential | Ages 14 to 18 who have completed at least 9th grade | Paid, aid available | February 27, 2026, 11:59 pm EST (teacher recommendation due March 3)Last cycle’s date |
| MathcampMathematics Foundation of America | Burlington, VT | Ages 13 to 18 | Paid, aid available | February 23, 2026Last cycle’s date |
| RossRoss Mathematics Foundation | Multiple locationsResidential | First-year students are usually ages 15 to 18 | Paid, aid available | March 8, 2026Last cycle’s date |
| SUMaCStanford Pre-Collegiate Studies | Stanford, CAResidential | Grades 10 and 11 at the time of application | Paid, aid available | February 2, 2026Last cycle’s date |
Frequently asked questions
When is the HCSSiM application deadline?
The 2027 deadline has not been posted. Last cycle's deadline was April 17, 2026, 11:59 pm EST (Interesting Test due April 25, 2026), and most programs keep a similar date from year to year.
How much does HCSSiM cost?
$7,208 for 2026, covering tuition, room, three meals a day for six weeks and a recreation fee; applying is free. Financial aid is available.
Who can apply to HCSSiM?
Mostly students who have finished 10th or 11th grade; some after 9th grade.
What does the HCSSiM application require?
Essays or short answers, Teacher recommendation. An application form with short answers, a letter about the student's reasons and motivations, a recommendation from someone who knows the student in a mathematical context, and the program's Interesting Test.
How hard is it to get into HCSSiM?
The site says it expects 51 students for summer 2026.
Read from the program’s own site and last checked 2026-10-09. Programs change dates, fees, and requirements each year, so confirm on the official site before you apply. Dewey Smart is not affiliated with this program.
