Following her government service career, Perkins remained active as a teacher and lecturer at the New York State School of Industrial and Labor Relations at Cornell University until her death in 1965 at age 85.
Efter sin karriere i offentlig tjeneste forblev Perkins aktiv som lærer og forelæser ved New York State School of Industrial and Labor Relations på Cornell University til sin død i 1965 i en alder af 85.