Online Homeschooling Program, Power Homeschool, is the official provider of online Acellus® courses for parents independently homeschooling their children without teacher support. Over 400 courses, grades K-12, provide video-based lessons with cutting-edge technology to accelerate learning and motivate students. Subjects include STEM, math, science, reading, writing, history, and electives. Eliminating Learning Gaps Acellus® courses combine professionally-filmed video lessons with cutting-edge technology that identifies obstacles to learning and automatically adapts to help each student succeed. Acellus® Writing Tutor is incorporated into student assessments to provide practice and feedback to elevate your student’s writing skills.