This story is free to read. Brainerd High School closes after water main break Brainerd High School is on North Moore Road. Brainerd High School is on North Moore Road. By Staff Report April 7, 2015 1 min read Brainerd High School is on North Moore Road. Brainerd High School is closed today due to a water main break, according to Hamilton County Schools. School is expected to be back tomorrow.