Bacup and Rawtenstall Grammar School (BRGS) is a selective co-educational academy grammar school in Waterfoot, Rossendale, Lancashire, England. The school is named after the two main towns either side of Waterfoot, Bacup and Rawtenstall.

Rossendale is a local government district with borough status in Lancashire, England. Its council is based in Bacup and its largest town is Rawtenstall. It also includes the towns of Haslingden and Whitworth. The borough is named after the Rossendale Valley, the upper part of the River Irwell.