In the next episode of The CW series Stargirl, entitled “The Justice Society,” Courtney (Brec Bassinger), Yolanda (Yvette Monreal), Beth (Anjelika Washington) and Rick (Cameron Gellman) prepare for their first major mission as the new JSA. But when you’re a teenage superhero, it can be hard to tell whether it’s the supervillains that are more dangerous or high school. During this 1-on-1 phone interview with Collider, actress Anjelika Washington talked about playing an overachiever like Beth Chapel, how cool it is to get to be a part of a superhero TV show, what it’s like …