I recently learned homeschooled students actually perform the same or better on standardized tests than their peers. It makes me wonder if the benefits outweigh the drawbacks.
I'm not sure where I stand on that. I do feel like socialization is important and kids who are homeschooled may lack socialization.
Socialization
In sociology, socialization is the process of internalizing the norms and ideologies of society. Socialization encompasses both learning and teaching and is thus "the means by which social and cultural continuity are attained".
Socialization is strongly connected to developmental psychology. Humans need social experiences to learn their culture and to survive. 
Socialization essentially represents the whole process of learning throughout the life course and is a central influence on the behavior, beliefs, and actions of adults as well as of children.
Socialization may lead to
the homeschooled students scored 37 percentile points above public school students on standardized achievement tests. This is consistent with the 1999 Rudner study. However, Rudner said that these same students in public school may have scored just as well because of the dedicated parents they had. The Ray study also found that homeschooled students who had a certified teacher as a parent scored one percentile lower than homeschooled students who did not have a certified teacher as a parent. Another nationwide descriptive study conducted by Ray contained students ranging from ages 5–18 and he found