Our most viewed KS3 Assembly idea at the moment, even though (perhaps because) it is about earlier school experiences. We all like to share common memories and explore how things were different in the past; especially if there is an element of exaggeration and fun involved.
You could use this idea with many different Assembly themes involving change, growing up, exaggeration, following rules etc.
If you want to learn how to SORT our Assembly ideas,
try this.