My school had this tradition where they clubbed two month fees together (September+ October) and whoever paid those fees before end of October got to get one reward.

I will explain you what was that reward,Due bill was red color and after the due paid that receipt color was green.

so the tradition was that,after the due was paid,before we use to leave school premises there use to be a small assembly prayer. any new notice used to be announced,prayers were said.
then there used to be...