Let me start this off by saying that my wife works in the cellular industry, and I myself have a great interest in them. I have 3 lines I carry on me at all times (two voice/data (two different providers, one data only on a pocket PC). All three are personal lines, none are for business of any sort. I have carried a cell phone with me daily since march of 2000, and have had access to them since I was in middle school (about half my life). I also have two kids and a (now) 14 y/o sister in law who has a cell phone on one of my accounts.
There are pros and cons of 13 y/o cell phone ownership.
It takes responsibility on both the child's end and the parent's end.
Parents:
There was someone who said something about about detailed billing. This is imperative. You want to know who your child is calling and talking to, and who they are talking to for hours on end... especially at night. Make sure you get night/weekend minutes, and talk to your child about who they're talking to. I would also talk to the parents of other children who they're calling. I also know 3-way calling is big... (think party lines of yesteryear, if you're not familiar). If you want your kids to sleep, you may want to devise a trust system to make them put it up at a designated hour (maybe 10:00pm, as most plans start night minutes @ 9pm).
You need to set limits for school carry. Talk to your school to see if they allow them (many are banning them, as they *can* be disruptive, but oft times it's more a problem of the student/child than of the phone itself). If they don't allow it, there are two options I can think of. Trust your child to not use it during school, and to have it turned off (or at least on silent, not vibrate. Vibrate mode will let them know they have a text or call if they hear it in their backpack), or you can talk to the office about having them keep the phone with them for the day, and have it returned at the end of the day. A good way to test if the kid is texting during the day would be to text them during the middle of a class you know they're not supposed to have it out in. Say "hey, do you want to go out for pizza or hamburgers tonight?", or something to that effect. If they reply, you'll know they have it out in class, and BAM!, busted.
Texting can be both a blessing and a curse. Texting can save you hundreds of dollars on minutes overage (it's going to almost always happen, be prepared). Make sure you get unlimited messaging (not just text messaging, picture messaging too). Usually it's 10-15$ for one line, or 20$ for the entire family plan. Get the family plan. If you don't text/picture message, it's very possible you'll start after your kid shows you how. (Family members are always wanting pictures of your kids, no? They have cell phones too, send it that way). One thing, though. Kids can cheat by texting each other. One can be discreet about it as well. I was able to hide a cell phone from the eyes of former supervisors as long as I had about 6/10th's of a second notice. My hands are bigger than a 13 y/o's though, so it's eaiser to hide like that.
There are also good/bad phones to get depending on carrier, and depending on your kid. Drop me a PM if you'd like to talk about about any phones.
This probably isn't a complete list of thoughts, but it's a start.
Hope it helps!
**BRENT**