Brentwood High School is a public high school located in Brentwood, Tennessee, United States. The school serves the north central section of Williamson County for students in grades 9-12. The school was built in 1982 with additions coming in 1987, 1994, 1998, 2000, 2001, 2002, and 2003. On September 1, 2008, $3.8 million was approved with the intent of renovating Brentwood High. What started out as a small public school grew into a large school with a current enrollment of 1,000+ students. The school is accredited by the Southern Association of Colleges and Schools. There are 1,492 students with 378 in the present senior class. The pupil/teacher ratio is 21.7/1. The mascot is the Bruin and the school colors are blue and gold. Brentwood High School was ranked in Newsweek magazine's list of