Five Star Institute | 3,909 followers on LinkedIn. TheFiveStar.com | The Five Star Institute (FSI) is the leading source for mortgage servicing education and training to support your business needs. Led by a team of industry professionals, FSI has set its course to provide the most comprehensive educational experience, including: online courses, vendor certifications, industry-recognized Five Star certifications, and more. We deliver educational solutions that provide you the knowledge to adapt, innovate and maximize efficiency.