Graduate students and postdoctoral scholars from institutions in Canada, Europe, Japan and the United States have been invited to apply for the 10th International HPC Summer School, to be held July 7-12, 2019 in Kobe, Japan, hosted by the RIKEN Center for Computational Science (R-CCS). The summer school will familiarize the best students in computational sciences with major state-of-the-art aspects of HPC for a variety of scientific disciplines, catalyze the formation of networks, provide advanced mentoring, facilitate international exchange and open up further career options.