Six Sigma certification remains as a popular credential among many quality professionals. With the vast number of options available, a comparison of these options is needed since cost, duration and curriculum varies significantly among the certification options. In this paper a method to evaluate Six Sigma Black Belt Certification curricula against the criteria outlined in ISO 18404 (ISO 2015) is presented. The paper will serve as a guide and comparison methodology for those looking to select an appropriate certification option. Additionally, it provides a baseline for evaluation of Six Sigma Certifications to satisfy college course (six sigma related courses) credit as prior learning experience (PLA).