What is the difference between drug schedule and drug classification?

If you have the schedule and classification for these drugs could you please tell me them. I have searched online but can't find them ANYWHERE. this is for a health project I'm doing. The drugs are GHB, Rohypnol. and Ketamine.

: http://alcoholdrugstreatment.info/what-is-the-difference-between-drug-schedule-and-drug-classification