Ryan Ramos' 6 a.m. routine used to consist of the usual: a shower, breakfast, then a walk to the bus stop.

But now, the 14-year-old eighth-grader has another activity: punching an identification code into a cell phone-size GPS device.

Five times a day — when he wakes up, when he gets to school, after lunch, after school and at 8 p.m. — Ramos is required to enter his code into the machine. If he's not where he's supposed to be, the GPS provides a way to find him.