Patrick Sizemore, right, Bandera Middle School’s principal, and Mini-Mart representative Cindy Eckhart happily display a $500 Exxon Excellence in Education Grant the school received last month after Mini Mart No. 2 in Bandera and its owners David Fritz and Sylvia Fritz Dodds nominated the school as a candidate for the grant. The funds will be used to promote interest in science, technology, engineering and math programs. COURTESY PHOTO ...