1817cef5_ington_Homeschool_Organization__Homeschooling
[0] What about Part-Time Enrollment? Homeschooled students are legally allowed to access ALE programs on a part-time basis and retain their homeschooling status. [Homeschooling] 
Homeschooled students are allowed to access the public schools on a part-time basis.
Alternative Education - Washington Homeschool Organization
Homeschooling