This document discusses MOOCs (Massive Open Online Courses) and their potential use in high school classrooms. It defines MOOCs as being massive, open, online, and courses. It outlines reasons for using MOOCs like collaborative learning opportunities and preparing students for real-world employment. The document also covers different types of MOOCs, a brief history of MOOCs, and considerations for adopting MOOCs in high schools like available resources and preparing teachers.