Ever wonder why your parents were so screwed up? These bizarre school posters from the 60s and 70s should help explain it. From bad acid trips to dead-eyed children spewing obtuse platitudes ("What is the purpose?"), you won't find educational posters like these in classrooms anymore.
Want to see more weird classroom posters? Check out Bizarre classroom posters from the '70s: Here's why your parents are so f*cked up
and Bizarre classroom posters from the '70s, Part 2: Filling in the (very strange) blanks