The present study was designed to assess the sustained impact of National Academy of Higher Education (NAHE)’s Staff Development Course after a period of two years. All the teachers of public sector universities/institutions, who attended one-month staff development course, constituted the population of the study. The sample consisted of 116 participants of the one of the course from the University of Sargodha and GC University Faisalabad. The data were collected in 2009. The researchers administered the first sixteen items of the questionnaire used by Hussain (2007) for the impact analysis study of the NAHE Staff Development Programs. The data were compared to see the sustained impact on simple percentage basis of the responses. The study explored, after two years of the course the teaching-learning skills of the participants were not only sustained but also enhanced with the passage of time.