Debutantes School of Cosmetology and Nail Technology Admissions Profile Debutantes School of Cosmetology and Nail Technology is located in Dekalb, IL. It serves roughly 77 students with a student-faculty ratio near 15:1. Costs & Financial Aid Pell grant recipients: 24% Admissions & Testing Student Profile Student-faculty ratio: 15:1Gender mix: 1% female / — male