Here’s a thought: What if there were more critical thinking in our schools? “Re: Thinking,” a new documentary, spends time at several public schools that are said to be teaching students how to think, as opposed to what to think. A school administrator explains early in the hourlong film that young children are naturally curious and teach themselves to walk and talk. “Over those first few years of life, everything they learn is based on the fact that they want to learn it,” the educator says. “And all of that seems to come to a screeching halt when they get into.