As nouns the difference between school and deschooling
is that
school is a group of fish or a group of marine mammals such as porpoises, dolphins, or whales or
school can be (us|canada) an institution dedicated to teaching and learning; an educational institution while
deschooling is the process of adjusting to the non-school environment of everyday life after leaving the education system.
As a verb school
is (of fish) to form into, or travel in a school or
school can be to educate, teach, or train (often, but not necessarily, in a school).