AAO Academic Calendar

AAO does NOT observe U.S. federal holidays.

*Teachers may set an earlier date for late work.

Event	2025–2026	2026-2027
Opening Day (Classes open in Canvas)	Aug 18, 2025	Aug 17, 2026
First Week of Classes	Aug 25, 2025	Aug 24, 2026
Thanksgiving Break	Nov 24–28, 2025	Nov 23-27, 2026
Winter Break	Dec 22–Jan 9, 2026	Dec 21-Jan 8, 2027
Last Date for 1st Sem Late Work*	Jan 9, 2026	Jan 8, 2027
Second Semester Starts	Jan 12, 2026	Jan 11, 2027
First Semester Grades Available	Jan 23, 2026	Jan 22, 2027
Spring Break	Mar 16–20, 2026	Mar 15-19, 2027
Last Week of Classes: (See course syllabus)	May 8 or 15, 2026	May 7 or 14, 2027
Last Date for Late Work*	May 22, 2026	May 21, 2027
Final Grades Available	May 31, 2026	May 31, 2027
Mini-Course Schedule
Fall 1	Aug 25–Oct 10, 2025	Aug 24-Oct 9, 2026
Fall 2	Oct 20–Dec 12, 2025	Oct 19-Dec 11, 2026
Winter	Jan 12–Feb 27, 2026	Jan 11-Feb 26, 2027
Spring	Mar 23–May 8, 2026	Mar 22-May 7, 2027
Summer 1	May 11–Jun 26, 2026	May 10-Jun 25, 2027
Summer 2	Jul 6–Aug 21, 2026	Jul 5-Aug 20, 2027