1A group of people noted for their advocacy of a new set of methods, views, or attitudes in some field of activity; the methods, etc., of these people.
2Usually in form New School. Chiefly US. A liberal or progressive faction of a party or organization; specifically the section of the Presbyterian Church of the United States which was separated from the rest of that Church between 1838 and 1869 (now historical).
Recorded earliest in compounds.
3Also new skool. = nu skool .
Early 18th century; earliest use found in Richard Blackmore (1654–1729), physician and writer. From new + school.