With marijuana legal to varying extents in 33 states and the District of Columbia, school leaders are increasingly finding themselves walking a fine line in how to handle pot-related issues among students.

Back-to-school shopping usually means new clothes, shoes and notebooks, but this year, some students will be sporting another new accessory on the first day—bulletproof backpacks. But experts say they don't offer much protection

Experts say teachers should use original sources, rather than textbooks, when developing and leading lessons about slavery. Teachers should also let students know that class discussions of slavery will likely be difficult.

Research by has found that more than a third of water polo players say they've suffered a concussion. Goalies are most likely to get hit, with half reporting head trauma.