Want to help your seventh-grader master math? Here are some of the skills your child will be learning in the classroom in seventh grade. At a “25% Off” sale, Marissa buys a skirt for $40.50. What was ...

For decades, school districts have sorted students into neat grade groupings: K–5, 6–8, 9–12. But those lines have blurred. Some districts are reviving stand-alone middle schools. Others are phasing ...