Heredia Calendars – 2026 Summer Session I
Program Deadlines
| March 15, 2026 | Application Deadline |
| April 15 | Balance Due Deadline | Financial Aid Deferment Form Due |
| April 15 | Confirmation Deposit Refund Deadline |
| April 15 | Tuition Refund Deadline | Refer to Enhanced Refund Policy |
See Ready to Apply for additional information about the application process and Money Matters for more details regarding payment and cancellation deadlines. Payment of the Confirmation Deposit cannot be deferred. USAC reserves the right to make adjustments to fees or deadlines at any time.
Program Dates
Occasionally dates need to be changed or field trips modified. Refer back to this calendar often for the most current dates.
| May 17, 2026 | Departure from the U.S. |
| May 17 | Arrival in Heredia | Program starts |
| May 17 | Move into program housing |
| May 18 | Mandatory orientation |
| May 19 | First day of instruction |
| May 24 | Field trip – Poás Volcano day trip |
| May 31 - June 1 | Field trip – Central Pacific |
| June 18 | Last day of instruction |
| June 19 | Final examinations |
| June 20 | Program ends (if not on optional tour) |
| June 20 | Move out of program housing |
| June 20 | Individual return (if not on optional tour) |
| June 22 - 25 | Optional tour – Tropical Biodiversity |
| June 25 | Program ends (if on optional tour) |
| June 25 | Optional group flight return | Individual return (if on optional tour) |