School management software for K-12 schools around the world. Created by educators for educators, Rediker Software provides solutions for school management, admissions, and school-to-home communication for 45 years. The AdminPlus SIS includes web gradebooks, parent and student portals, mobile apps, demographics, attendance, report cards, schedule building, mass notifications, and more, in one affordable, easy-to-use system. We understand the unique needs of Independent K-12 Schools and offer experience, reliability, and features not found in other systems.