Pickett's Mill Elementary School 6400 Old Stilesboro Rd NW, Acworth, GA30101 Pickett's Mill Elementary School is a part of the Cobb County School District, located near Allatoona High School. The…More school was named after one of the most well-preserved Civil War battlefields in the nation, Pickett's Mill Battlefield Historic Site. Pickett's Mill was established with the goal to relieve the overcrowded conditions at feeder schools in the northwest Cobb area, and was built with funds from SPLOST II. The school was named as one of the "Green Schools" in Cobb County, and serves more than 726 students in grades PK-5. It has two computer labs, two art classrooms, two music classroom, a gym and a well-equipped media center. An after-school program is available for $7 per day with a $10 registration fee.