BrainPop (styled BrainPOP) is a group of educational websites with over 1,000 short animated movies for students in grades K-12 (ages 6 to 17), together with quizzes and related materials, covering the subjects of science, social studies, English, mathematics, engineering and technology, health, and arts and music. BrainPop is used in more than 20% of U.S. schools and also offers subscriptions for families and homeschoolers. It is also used in schools in Mexico, the UK, France, Spain, Israel and several other countries, where it offers videos in local languages that are designed for students in those countries. BrainPop is available by subscription but has some free content, including a movie of the day, several free movies from each topic area, educators materials, including lesson plans,