Below is a schedule of a few games you can find either on ESPN or your satellite dish (all times Eastern).  Most of the other big school games can be found on a local channel.

Saturday, March 28th
Miami spring game 10:30 a.m. CSS

Sunday, April 5th
Texas spring game 3:30 p.m. Time Warner Cable

Saturday, April 11th
Clemson spring game 1:00 p.m. CSS
Georgia spring game 1:00 p.m. ESPN

Saturday, April 18th
Auburn spring game 2:00 p.m. CSS
Alabama spring game 3:00 p.m. ESPN
Ole Miss spring game 4:00 p.m. CSS (delayed broadcast)
Mississippi State spring game 6:30 p.m. CSS

Thanks to http://lsufootball.net for their help.