From IRS Pub 970:
Eligible elementary or secondary school. An eligible elementary or secondary school is any public, private, or religious school that provides elementary or secondary education (kindergarten through grade 12), as determined under state law.
https://www.irs.gov/pub/irs-pdf/p970.pdf (see pg. 59)
Make sure that Virginia considers elementary and secondary school tuition expenses qualified for 529 purposes. Not all states have followed the federal government in this regard.