text:  on staffing and extended learning time. So lots of school systems bulked up their summer school program with the hope that more students would participate and that would be a way of catching up. They also hired more people. They hired more teachers to reduce class size. They hired tutors to help students who were behind. They hired more counselors and social workers to help with student behavioral and mental health issues. There's a guy at the Hoover Institution, you quoted in your story, said the average here is misleading. What did he mean?