Nearly one-in-three parents have discovered their child has made an online purchase without permission, with kids’ most expensive unapproved shopping sprees costing families about $170 on average.

Each term, students’ inboxes are flooded with announcements, notifications and surveys from the University of Oregon. But perhaps the most important, said Lee Rumbarger, associate vice provost for ...

Nearly one-in-three parents have discovered their child has made an online purchase without permission, with kids’ most expensive unapproved shopping sprees costing families about $170 on average.