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 ...

Grades are a well-established part of the K-12 education system that, in most school districts, play a decisive role in students’ academic standing. But what goes into the single letter or number that ...

To curb an alarming rise in failing students at the height of the pandemic, school districts around the U.S. showed leniency in accepting late work and assigning grades. As the coronavirus crisis ...