Sentence:  So it is too with many other spirits which we all know : the spirit of Nazism or Communism , <WSD>school</WSD> spirit , the spirit of a street corner gang or a football team , the spirit of Rotary or the Ku Klux Klan . 
Meaning of the word marked with <WSD> tags:  a body of creative artists or writers or thinkers linked by a similar style or by similar teachers