Kids fast enough. what we learned at explore charter school is in one year, we had double-digit gains with our students. that's because the grown-ups changed their minds and did different things. >> the teachers, the administrators? >> the teachers, the administrators, the entire staff worked together as a stof to change how we were using time, the change the material we use. we think we can apply the lessons to any public school. >> in science, you would use a control group. did anything else change? are the facilities substantially improved? is the class size substantially smaller? >> no, it...