(Jan. 29, 1:35 a.m.) Rockdale County hosted its first ever Rockdale County Regional Science and Engineering fair on Friday at the newly renovated Rockdale County High School annex. About 144 entries from students grade 6 - 12 explored the fields of biology, chemistry, physics, material sciences, environmental science, and more. This is the first year Rockdale County is hosting a regional level fair for students in the county.