If eleven-year-old Ferg Gottin had been bought from a store, his parents would have returned him and demanded a refund. For Mr and Mrs Gottin, parenting is an experiment gone badly wrong. So they look for a school where you can dump your kids and forget about them.
At Horrid High, everything is downright horrid, from Chef Grettas cooking to Master Mynuss truly mental maths classes. But Ferg finds four friends with extraordinary skills and they make a series of startling discoveries about their horrid school. Can they survive Horrid High together? And can they stop Principal Perverse wicked plans before its too late? Open the gates of Horrid High and find out!