Enter the Sith Academy. Once there, you will find a room with slaves. There is a computer terminal inside the room. Log into the computer and chose "Hack into Sith Data files". When you do this, you will notice that the option to hack does not disappear. With the right party member, the cost for the Data Hack will only be 1 Spike. Each Data Hack will result in 360 experience points for your group. Note: This was done after all the Sith Academy quests were completed. Also, you can get unlimited Computer Spikes on Tatooine.

When inside the Sith Academy, talk to Yuthura Ban and ask her "I want to know about the code". Then, choose "I think I got it". Do this repeatedly. Each time you ask her for code, you will get 125 experience points.

Enter the Sith Academy. Find the room with the slaves. There is a computer terminal inside the room. Login to the computer and choose to hack into the Sith data files with T3-M4. Each data hack should cost 0 spikes if T3-M4's Computer skill is over 30. Note: Each time you access the computer, it will cost 1 spike