https://statutes.capitol.texas.gov/Docs/ED/htm/ED.37.htm
Sec. 37.081. SCHOOL DISTRICT PEACE OFFICERS, SCHOOL RESOURCE OFFICERS, AND SECURITY PERSONNEL. (a) The board of trustees of any school district may employ security personnel, enter into a memorandum of understanding with a local law enforcement agency for the provision of school resource officers, and commission peace officers to carry out this subchapter. If a board of trustees authorizes a person employed as security personnel to carry a weapon, the person must be a commissioned peace officer. The jurisdiction of a peace officer, a school resource officer, or security personnel under this section shall be determined by the board of trustees and may include all territory in the boundaries of the school district and all property outside the boundaries of the district that is owned, leased, or rented by or otherwise under the control of the school district and the board of trustees that employ the peace officer or security personnel or that enter into a memorandum of understanding for the provision of a school resource officer.
I live in a county with I think 350-400,000 folks one of nashvilles nine metro counties
We us county deputies who are assigned
Often women but not always