Determining whether your child is the right age for kindergarten can be difficult. While most five-year-olds are ready to take the step to full-time classroom learning, some are not — and that’s OK.

After several failed attempts, California lawmakers are once again working to mandate that children attend kindergarten, with the state Assembly passing a bill Tuesday to make it compulsory. The bill ...

The idea, known as “redshirting,” has downsides, but proponents say it could help close a persistent gender gap in education. By Claire Cain Miller Claire Cain Miller is working on a series of ...