This document discusses 21st century skills, which are core abilities needed by students in the 21st century. It covers three main categories of 21st century skills: learning and innovation skills which include critical thinking, creativity, and collaboration; information, media, and technology skills including information literacy and media literacy; and life and career skills such as flexibility, social skills, and leadership. The document also compares 20th century education to 21st century education and provides tips for developing critical thinking, problem-solving, collaborative, public speaking, and leadership skills in students. Both pros and cons of 21st century skills are outlined.