Smart education derived from information communication technologies (ICT) has attracted various academicians towards it. The growth of multiple sensor devices and wireless networks has brought drastic changes in IoT in the education sector. Applications of IoT in the education sector can improve academicians' and learners' considerable skills. Therefore, this chapter analyses various applications, advantages, and challenges of IoT in the education sector. The multiple applications of IoT in the education sector are identified in terms of smart classroom management, student tracking and monitoring, campus energy management, and intelligent learning. IoT in education's significant advantages are an innovative teaching and learning process, cost reduction, and smart infrastructure development. Various challenges in developing IoT-based applications identify as designing a secure learning environment, efficient resource tracking, efficient access to information, and intellectual plan development.