How Careful are Schools with your data and what do they have?

A client of mine brought this up to me in a training I did for his company earlier this year and here is an example in the news:

Background check systems used in growing number of Central Texas school districts.

http://www.statesman.com/news/content/news/stories/local/12/01/1201idcheck.html

"...software and equipment from Houston-based Raptor Systems to scan information encoded in the magnetic strip on driver's licenses and other identification cards. The software sends each visitor's full name, birth date, license number and photo over the Internet; checks the information against Raptor's national database of registered sex offenders; and prints out a visitor's badge with his or her name and picture. School personnel can also type in a visitor's name and birth date...."