Sentence:  […] the rise of embedding police into schools – so-called School Resource Officers (SROs), who are employed by the local police, but whose <WSD>“beat”</WSD> is a school. Those officers report to the local police department and not the school, and can, and frequently do, have different priorities. 
Meaning of the word marked with <WSD> tags:  The route patrolled by a police officer or a guard.