Mizzou Academy offers several programs with different scheduling options. Please see below for information about school and university holidays, as well as important AP calendar dates.

Course Dates

We are a year-round school, and many programs offer rolling enrollments. AP courses follow traditional U.S. high school fall and spring semester format.

2023-24 AP Course Calendar Dates

  • Fall 2023: August 16, 2023–December 16, 2023
  • Spring 2024: January 11, 2024–May 17, 2024

Regularly Scheduled AP Exam Dates: May 6–10 and May 13–17.

Late-Testing Exam Dates: May 22–24.


The University of Missouri has eight (8) official holidays which are counted in the number of days in the course to allow for these dates (ex. if a course ends on a university holiday, an additional day is provided). Mizzou Academy / University of Missouri High School Support Staff will not be available on these dates.

  • New Year’s Day — Jan. 1
  • Martin Luther King Jr. Day
  • Memorial Day
  • Juneteenth — June 19
  • Independence Day — July 4
  • Labor Day
  • Thanksgiving Day
  • Friday following Thanksgiving
  • Christmas Day — Dec. 25
  • Winter Break — From December 24 — January 1, we are observing Winter Break. During this time, we have encouraged our faculty and staff to enjoy time with their loved ones. We hope you are also having a joyous and restorative week.
  • If the holiday falls on a weekend, please check with our office for whether the holiday is observed on Monday or Friday.


Mizzou Academy holds professional intersessions two times a year. During the following times, Canvas is still available to students while school is not in session and our offices are closed. 

Winter Intersession: January 2 – 9
Summer Intersession: July 1 – 15

Other Important Dates