But finding a club is not as easy as it looks, and when the girls keep finding themselves kicked out of the clubs they like, they must think outside of the box and go outside their comfort zones to avoid suspension. Just when they thought secret identities and balancing school with super-heroics had enough challenges! DC Super Hero Girls: At Metropolis High continues to develop the relationships forged throughout the beloved DC Super Hero Girls series. This story is perfect for ages 6-10 and a great entry point into the DC Universe and graphic novels.