home school

Short definition from Wiktionary

Verb

1. 1
   To educate children at home, that is, at a private domestic place, in lieu of sending them to a public school or private educational institution.
2. 2
   To be educated at home.

Noun

1. 1
   A school within a private domestic place, rather than in a public facility or private institution.
2. 2
   A boarding school.