Movie : Your Junior High Days (1963)

This film prepares elementary school kids for the harsh lessons of junior high: You will no longer be the smartest or best athlete. Your carefree days of the teacher holding your hand are over. Your friends will leave you to befriend more interesting kids. You can be an individual by following the interests and clothing styles of the popular people. And finally, you are responsible for remembering your own gym locker combination.

mpeg
your_junior_high_days.mpeg
mp4

your_junior_high_days_512kb.mp4 

thanks to IA
zenjoy