Some students in attendance spoke out about as the campus minimum wage and Loh’s decision to speak partly in Spanish.
The Potomac Center for the Study of Modernity and the Miller Center for Historical Studies teamed up for the first time to organize the discussion.
A committee is set to review the site next week.
The instructor, Thien Ngo, was replaced by two interim instructors.
The armed men are not in custody, the alert said.
There are 103 filling stations on the campus.
The group started its Letters to Loh campaign back in October.
He was reinstated as coach Tuesday.