The Ruling Classroom (1980)

The Ruling Classroom documents a social studies experiment played out by seventh graders in Mill Valley, California. The students reorganized their classroom as an imaginary country until the principal staged a coup and brought the classroom republic to a halt. The educational experiment was the brainchild of teacher George Muldoon, who suspended the normal social studies curriculum in order to let his students learn about government by constructing it for themselves.

Unfortunately the movie The Ruling Classroom is not yet available on HBO Max.