Dark Parties by Sara Grant
After a violent war, an electrified Protectosphere was built over the civilization. Neva has lived all her life confined to this area, and she puts her family and friends in jeopardy when she investigates whether the world is based on a series of lies.
The Unwanteds by Lisa McMann
When children turn thirteen, they are either deemed necessary or unwanted. Twins Aaron and Alex are separated when one is sent to the University and one is to be eliminated. However, those who are "eliminated" actually end up in a magical place where they can hone their creativity.