School for Supervillains (Fiction Express) -- Paperback / softback

Mandrake DeVille is heading to St Luthor's School for Supervillains where a single act of kindness lands you in the detention pit and only lying cheating bullies get top marks. On paper Mandrake's a model student her parents are billionaire supervillains and she has superpowers. The trouble is Mandrake secretly wants to save the world not destroy it.