Hackett designed a class on the sociology of families and taught it four times to master's degree students at Princeton Theological Seminary and Lutheran Seminary at Philadelphia. He designed and taught mini-courses in research design and quantitative methods for doctoral students at Princeton Seminary. He was an assistant instructor for three undergraduate courses at Princeton University, including theory, stratification, and a writing seminar for junior sociology majors.
His teaching interests include social demography, family, religion, quantitative methods, research design, stratification, and cultural sociology. He would like to teach a course exploring America's self-help culture.