An apple no longer sits on a teacher's desk, it's what fills the computer labs. As kids head back to school, most students prepare to hit the books and toy with technology. Whether the Macs or PCs in class are donated or purchased, it makes sense that big corporations would go after the littlest users because tots turn into lifetime customers. If a student is familiar with a certain setup, his or her family may end up purchasing a similar computer for their home. Does your child work on a Mac or PC?