Julie Amero is the substitute teacher facing prison time — a maximum of 40 years — because she didn’t know how to turn off pornographic pop-ups that on a classroom computer. The school had let the anti-spyware protection expire; someone forgot to pay the vendor.
Here’s an interview with Amero.
Update: Jim Miller suggests contracting out computer systems management since few schools are able to hire technically proficient people to manage their systems. That’s very true. Schools probably have the worst tech support of any computer-using institution. It doesn’t get in the budget.