Freeze Frame: “Step,” “The Glass Castle”

The term “uplifting” is often overused, but it’s apt when describing “Step,” a documentary about a step dancing team from an all-girls high school in inner city Baltimore. Don’t expect lots of dance footage, however. “Step” instead focuses on the personal struggles of several team members, all of whom face unique challenges. The film shows how the work and discipline of the dance team help the girls in their academic and personal lives.   It’s virtually impossible not to get caught up in these girls’ lives and enthusiastically root them on. That makes the climatic dance competition all the more compelling. “Step” is an involving documentary in step with the times.   Oscar-winner Brie Larson stars in the big screen adaptation of Jeannette Walls’s best-selling memoir about her difficult upbringing in a family run by two very eccentric parents. Larson is fine as the adult Jeannette, but young actresses Ella Anderson and Chandler Head are equally good as the childhood versions. How well this movie works for you may relay on your reaction to Woody Harrelson as the family’s iconoclastic, alcoholic patriarch and Naomi Watts as Jeannette’s spacey artist mom.   Director Destin Daniel Cretton takes a sincere approach, but…