Question: What is the population of the city that the newton county school system is based in?

Context paragraphs:
Eastside High School (Covington, Georgia): Eastside High School is a public secondary school in Covington, Georgia, United States.  It is part of the Newton County School System.  It was opened in 1994 as a transitional school and became an official high school in 1998 when it had its first graduating class.

Newton County School System: The Newton County Schools System is a public school district in Newton County, Georgia, United States, based in Covington.  It serves the communities of Covington, Mansfield, Newborn, Oxford, Porterdale, and Social Circle.

Winston-Salem/Forsyth County Schools: Winston-Salem/Forsyth County Schools (WS/FCS) is a school district in Forsyth County, North Carolina.  WS/FCS has over 80 schools in its system, and it serves over 53,300 students every year.  WS/FCS was formed in 1963 by the merger of the Forsyth County School System and the Winston-Salem School System.  WS/FCS is now the fourth largest school system in North Carolina, and it is the 77th largest in the United States.

Covington, Georgia: Covington is a city and the county seat of Newton County, Georgia, located 35 miles east of Atlanta.  As of 2012, its population was 13,347.

Alcovy High School: Alcovy High School is a public school in Covington, Georgia, United States.  It is part of the Newton County School System.

Birmingham City Schools: Birmingham City Schools is a public school district that serves the US city of Birmingham, Alabama.  It is the fourth-largest school system in Alabama behind Mobile County Public School System, Jefferson County School System, and Montgomery Public Schools.  It currently enrolls approximately 25,000 students across 42 schools.

Jackson County Public Schools (North Carolina): Jackson County Public Schools is a public school district serving Jackson County, North Carolina, USA.  It is headquartered in the county seat of Sylva.  The Jackson County School system is unique in the way that is still has a K-8 System with combined Elementary and Middle Schools, with one central High School and one combined K-12 Elementary/Middle/High School.  The county school system has eight schools, all with different histories and stories behind why they are the way they are today.  The school system includes four Kindergarten through 8th Grade Schools, two Kindergarten through 12th Grade Schools, one traditional 9th through 12th Grade High School, and one alternative 9th through 12th Grade High School Early College.

Neosho Commercial Historic District: Neosho Commercial Historic District is a national historic district located at Neosho, Newton County, Missouri.  The district encompasses 38 contributing buildings in the central business district of Neosho.  It developed between about 1868 and 1943, and includes representative examples of Victorian and Modern Movement architecture.  Notable buildings include the Newton County Courthouse (1936), Newton County Jail (1888), Haas Building (1906), First National Bank (1922), Auditorium and City Hall (1938), Masonic Lodge (1883, 1913), and Newton County Bank (1884).

Newton High School (Georgia): Newton High School is a four-year comprehensive public high school serving students in ninth through twelfth grades in Covington, Georgia, United States.  It is part of the Newton County School System.  Located thirty-two miles outside Atlanta, it is one of three schools serving Newton County.  The school serves 2,000 students in grades 9–12.

Baker County School District (Georgia): The Baker County School District, also known as the Baker County School System, is a public school district in Baker County, Georgia, United States, based in Newton.  It serves the communities of Elmodel and Newton.

Supporting paragraphs: Newton County School System Covington, Georgia
Answer: its population was 13,347