A few years ago, Erin Dyal reviewed a list of websites her son visited on his Fairfax County school-issued device. She flipped her phone horizontally to see the entire URLs, and noticed one had the phrase “history tutor.” Initially, she was confused. History was her son’s best subject, so it didn’t seem clear why he may need extra help. Then, Dyal visited the website herself. She realized it wasn’t a history assistance tool. It was a gaming site…