<http://schema.org/caption>
"Watch: Send your child to school with a watch (when they're old enough to tell time) so he or she can keep track of time when taking a test and not have to worry about whether or not there is a clock visible in the classroom."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wpbf.com/article/non-required-items-your-kids-need-for-school/1157287>