Definition of prairie school in US English:

prairie school

noun

North American
  • 1A local school in a community on the North American prairies.

  • 2Usually with capital initials. A group of architects (or occasionally other artists, writers, etc.) whose style reflects or derives from that seen as typical of the prairies.

Origin

Mid 19th century; earliest use found in National Era. From prairie + school.

Pronunciation

prairie school

/ˈprɛːri ˌskuːl/