Nouns that denote a unit take singular verbs and pronouns: class, committee, crown, family, group, herd, jury, orchestra, team. Usage examples: The committee is meeting to set its agenda. The jury reached its verdict. A herd of cattle was sold.
Faculty: Faculty is a collective noun that refers to an institution's or academic unit's entire instructional staff as a unit. Therefore, it takes a singular verb. Its plural is faculties.
When referring to an individual, use the phrase faculty member.
When referring to a group of individuals numbering less than the entire faculty, use the phrase faculty members.