Charter school and Public school

Charter school noun - An experimental public school for kindergarten through grade 12; created and organized by teachers and parents and community leaders; operates independently of other schools.

Public school and charter school are semantically related. In some cases you can use "Public school" instead a noun phrase "Charter school".

Public school noun - A tuition free school in the United States supported by taxes and controlled by a school board.

Charter school and public school are semantically related. Sometimes you can replace phrase "Charter school" with "Public school", this phrases are similar.