School is back in session, bringing new routines — and new milestones for students.

For some, this is the year they are allowed to go home to an empty house instead of an after-school program or day care. It’s a decision faced by many parents whose work or other obligations keep them from coming home until long past school release time.

With after-school care often expensive and hard to find, parents have reason to encourage independence. But how can they be sure their child is ready to navigate home on their own, even if only for an hour or two?

A handful of states have set age minimums. Maryland law, for example, makes it a crime to leave a child younger than 8 years old unattended.

But most states leave it up to parents and guardians. Experts say between 11 and 13 years old can be a

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