Distance learning is a type of learning that is done without having a daily basis interaction with the tutor in the classroom. In the UK this way of learning has its roots in pupils learning via correspondence courses. There are more than 270,000 undergraduate pupils that are taking their first degrees through distance learning, together with some 108,000 postgraduate students. When we talk about undergraduate level then it means to learn with the help of certain learning material at home or work place. Such stuff can send to pupils directly by the institute or can be assessed through internet. Well! I'm looking theĀ  source which contained valid information about school lockdown alert system because my assignment on this topic and i'm trying to make my assignment effective.