Log your minutes. Earn Badges. Win Prizes! If you are a Castleberry ISD student, you already have access to Beanstack! Just login using your Clever account (Castleberry ISD login), log your minutes! Earn badges and prizes (awarded at the end of the summer). If you aren't a Castleberry ISD student just yet, stop by the bookmobile on one of our planned stops to pick up a reading log or download the log here. Log your minutes using using the paper and turn them in at the end of summer.