This document outlines an inset on 21st century skills. It defines 21st century skills as a broad set of knowledge, skills, work habits, and character traits believed to be important for success today. The objectives are to identify and understand 21st century skills, share insights on integrating them in the classroom, and develop an engaging learning environment through integration. It discusses principles of 21st century learning like student-centered instruction, collaborative and contextual learning, and integrating schools with society. Categories of 21st century skills and instructions for integrating them are also presented.