LSU's full academic calendar can be found at: http://appl003.lsu.edu/slas/registrar.nsf/$Content/Academic+Calendars?OpenDocument

Some of the important dates for 2010-11 are as follows:

Fall Semester, 2010

Final date to apply online to the Graduate School for the fall semester August 20 (F)
Classes begin, 7:30 a.m. August 23 (M)
Labor Day holiday September 6 (M)
Classes resume, 7:30 a.m. September 7 (Tue)
Mid-semester exams October 11-16
Final date for receipt of graduate admission applications for spring semester October 15 (F) without paying $25 late fee
Fall holiday begins October 21 (Thu)
Classes resume, 7:30 a.m. October 25 (M)
Thanksgiving holiday begins, 12:30 p.m. November 24 (W)
Classes resume, 7:30 a.m. November 29 (M)
Classes end December 4 (Sat)
Final examinations December 6-11
Commencement Day December 17 (F)

Spring Semester, 2011
Final date to apply online to the Graduate School for the spring semester January 14 (F)
Martin Luther King holiday January 17 (M)
Classes begin, 7:30 a.m. January 18 (Tue)
Mardi Gras holiday begins March 6 (Sun)
Classes resume, 12:30 p.m. March 9 (W)
Mid-semester exams March 14-19
Spring break April 18-24 (M-Sun)
Classes resume, 7:30 a.m. April 25 (M)
Classes end May 7 (Sat)
Final examinations May 9-14
Final date for receipt of graduate admission application for summer term May 15 (Sun) or fall semester without paying $25 late fee
Commencement Day May 20 (F)