While there is no doubt that it is entirely possible to obtain a decently good education in the public school system, when you compare homeschooled kids to public school kids as a whole, homeschoolers consistently outperform their public school counterparts. Also, it doesn’t seem to matter how much parents spend in the process or whether or not the parent is a certified teacher.
The info-graphic below tells this story in a more visual way. One piece of interesting info not mentioned in the graphic: the amount of state regulation also does not affect how students performed, according to this article by HSLDA.
Created by: College At Home