The Special Education Student Information System (SESIS) is a web-based application that assists school staff and related service providers in managing the special education process for students entering kindergarten through age 21. Welcome to the Special Education Student Information System (SESIS). SESIS supports users in completing special education workflow processes from referral through IEP development. Please visit the DOE's intranet site (link located below the login) to access training materials and to learn more about preparing for SESIS in your school.