academe vs middle school

academe

noun
  • An academy; a place of learning. 

  • The name of the garden in Athens where the academics met. 

  • A senior member of the staff at an institution of higher learning; pedant. 

  • The scholarly life, environment, or community. 

middle school

noun
  • A school which crosses the traditional divide between primary school and secondary school. 

  • An educational level or stage between primary school and secondary school. 

How often have the words academe and middle school occurred in a corpus of books? (source: Google Ngram Viewer )