[This story contains some spoilers for Prime Video’s Sterling Point.] Television’s experiencing a bit of a coming-of-age renaissance. It’s far from the first time, and it certainly won’t be the last, but between adaptions of beloved romance novels and teenaged prequels, it’s a good time for YA on TV screens. As the quantity of shows increase, the pressure for higher quality only grows. Megan Park, the writer-director behind Sundance hit My Old Ass and a former coming-of-age series actress, has found a way to bring needed realism into the space with her new Prime Video series Sterling Point, whose full season debuted Wednesday. “I wanted to…