They put the list on a big piece of poster board with boxes to check off the things they do. (theinspiredroom.net)
Ask students to write thank - you messages on poster board (perhaps one for each class) and display around the school. (ptotoday.com)
Someone's always asking for poster board for a school project, a check to cover the next field trip, snacks to bring to soccer practice... and the list goes on. (thespruce.com)