Peavey has over 20 years of football coaching experience. He has had great success at the high school level his record is 44-4-2, and moderate success at the college level. In four seasons as the head coach at Bishop Feehan High School in Attleboro, Peavey led the Shamrocks to four state championship title games and won three of them in a row. The Shamrocks were also league champions all four years. Peavey also helped lead Foxboro High School to back to back state championships.