Westlake High School 2400 Union Rd SW, Atlanta, GA30331 Westlake is one of 16 high schools in the Fulton County school system. The school's mascot is the lion and colors are…More royal blue and white. Established in 1988, Westlake was formed by the merger of Westwood and Lakeshore. The school includes a 9th grade academy and academies for engineering and technology, arts and humanities, business and finance, and health-care science. Westlake has an active PTSA that meets six times a year, most often on the fourth Tuesday of the month at 7 p.m.