The Ohio Valley Athletic Conference is a high school sports league in parts of southeastern Ohio and northern West Virginia.

The OVAC is the largest conference of its kind in the United States.

[1] Schools in the upper Ohio Valley supply over 18,000 athletes in various competitive athletic areas.

[2] Schools are categorized by enrollment of eligible athletes, where Class A is the smallest enrollment and Class AAAAA is the largest enrollment.

[3] As of the 2020-2021 school year, there are 18,332 eligible athletes in grades 9 through 11.