Here are some of the best Student Information System software solutions for K-12 schools in 2026. Rediker SoftwareRediker Software’s AdminPlus® Student Information System is one of the most comprehensive SIS platforms designed specifically for PK-12 schools. The online student information system is designed to grow with schools, supporting single campuses as well as districts and diocesan networks. FACTS Student Information SystemFACTS combines student information management with admissions, tuition billing, financial aid, and communication, making it especially popular among private and faith-based schools. VeracrossVeracross provides a fully integrated Student Information System where academics, admissions, billing, communication, and development operate from one database.