SEXY ex-stripper Coco Lloyd has revealed she once bedded a teacher in a school classroom.And the saucy member of X Factor group Kandy Rain said they were CAUGHT in the act by fellow pupils.Stunning blonde Coco - real name Vicky Lloyd - laughed: "It was a bit of sex education for those kids."She bragged about her lessons in lust while filming footage for a lads' mag, which has …