The school is part of the Petersburg Independent School District which encompasses the southeastern corner of Hale County and reaches into portions of Floyd and Crosby counties.

In 2015, the school was rated "Improvement Required" by the Texas Education Agency.

During the 1960s and 1970s, Petersburg was well known in the area for producing outstanding football teams which competed under the state's University Interscholastic League (UIL) authority.

Due to a decrease in the local population, the school now plays six-man football sanctioned by the UIL.

[3] The Petersburg Buffaloes also compete in the following sports - [4] Baseball and Softball The school's band was equally notable, annually producing Division I rankings (the UIL's top rank) over a period spanning more than two decades.