PhotosPhotos: Polk County Early College Graduation 2020 Polk County Early College held its 2020 graduation exercises on Saturday, May 30 in G.M. Tennant Stadium Published May 31, 2020 Flipboard Reddit Pinterest Whatsapp Whatsapp Email Polk County Early College held its 2020 graduation exercises on Saturday, May 30 in G.M. Tennant Stadium. In this article: