Polygamous what?

Do you mean polygamous marriage?

If so then I think you mean:

How does polygamy effect homes in the education of school children?

Monogamous.

The wives in a polygamous relationship often refer to themselves as "sister-wives".

Polygamous is a term that applies to marriages where an individual has more than one spouse, is married to more than one person. A person married to two or more people is polygamous, is said to be committing polygamy, which is unlawful in the U.S. a polygamous relationship is one that involves more than two people, such as with the mormons' former tradition where the man marries 2+ wives.

no