At which stage in society did education become its own social institution rather than something that the family handled?
a. hunting and gathering
b. horticultural society
c. industrial society
d. agrarian society

The answer to the given question above would be option C. industrial society. The stage in society in which education became its own social institution rather than something that the family handled is in the industrial society. Hope this answer helps. 

It is meant that like tapestry scientific theories often need to pull out since they are not relevant and often times the whole chain of theories may be pulled out.