Boaler claimed she needs 11 hours for each session-hour. If you believe that (e.g. if you think the sessions are heavily customized for each school district, a

Boaler claimed she needs 11 hours for each session-hour. If you believe that (e.g. if you think the sessions are heavily customized for each school district, and not just the same thing at each place), then you'd divide the 5k by 11+1, getting $417/hour.