A private school in Knoxville, TN is planning to require students to carry an iPad for classes. CNN reports that Webb School will is requiring all fourth through 12th grade students to carry the tablet, beginning next school year. The students will carry the device ““to be able to use that technology whenever they need it, rather than, as it is now, they have to check out a cart, a laptop cart, or schedule lab time to take a class to a…