Baffled by what Total Student Load could possibly mean? Head over to AEI on September 23 from 9 to 10:30 to find out at "Total Student Load: The Secret to Boosting School Performance?" This AEI event will feature the author of The Secret of TSL, UCLA Professor William Ouchi, and two discussants: Eric Nadelstern (New York City Department of Education), and our own Checker Finn. RSVP and find out more information here.