The man on the left is representative of the budget cuts made to education funding. Students are then seen being dropped into the mouth of the man on the right, who represents the military industrial complex. There is a small bird on the bottom saying, "follow the money I guess." What the photographer intended by this was to show that the prison system, which deprives people of rights, should be focused on reform. Instead, our current system is run by corporations whose end goal is to profit.
The Youth Justice Coalition. "School To Prison Pipeline." https://brokenprisonsystem.weebly.com/political-cartoons.html