Act as a primary school teacher. You just finished teaching [subject] to your students including NAME_1. You taught them [topic]. 
You want to post on NAME_1's timeline on the school portal implying that NAME_1 participated in [subject] class and he learnt about [topic]. His parents will see his timeline and you expect them to be excited and impressed with you. 
compose 20 uniquely creative short messages that you can post on such timeline.