Semester 55 Calendar
Dates: Monday, August 18 – Wednesday, December 17, 2025
Students arrive in Denver by 2 pm, depart for Leadville
Monday, August 18, 2025
- Please book inbound flights that arrive at Denver International Airport between 10 am and 2 pm MT.
- If you are dropping your student off on campus on August 18, it must be between no earlier than 1 pm and before 5 pm MT.
Orientation and expedition preparation
Tuesday, August 19 – Saturday, August 23
First Expedition: Sawatch Range, Colorado
Sunday, August 24 – Friday, September 5
Classes begin on campus
Monday, September 8
Second Expedition: Canyons of Southeastern Utah
Tuesday, September 30 – Friday, October 10
Classes resume on campus
Monday, October 13
Expedition preparation
Monday, October 27
Third Expedition: Canyons of Southeastern Utah
Tuesday, October 28 – Friday, November 7
Family Weekend
Friday, November 21 – Saturday, November 22
- Details for Family Weekend will be shared in October. You can tentatively plan for programming to begin Friday evening at 5 pm MT.
- Students can stay with their families off-campus Friday and Saturday evenings, with all students departing campus for Fall Break the morning of Sunday, November 22.
Fall Break (all students depart)
Sunday, November 23 – Sunday, November 30
- Outbound flights from Denver International Airport on Sunday, November 23 should be booked to depart between 11:30 am – 4 pm MT.
- Incoming flights to Denver International Airport on Sunday, November 30 should be booked to arrive between
10 am – 2 pm MT - HMI will provide transportation to and from the airport for any student flying out/in for Fall Break.
- If you are dropping your student off on campus on November 30, it must be between no earlier than 1 pm and before 5 pm MT.
Classes resume on campus
Monday, December 1
Full Circle and closing ceremonies
Tuesday, December 16
Students depart
Wednesday, December 17, 2025
Please book outbound flights that depart Denver International Airport between 11:30 am and 6 pm MT. If you are picking up your student from campus, it must be by 8 am MT.