True. I heard about this. Here's more:
Ten high schools in the Los Angeles area bused over 800 students to participate in a large anti-George Bush rally organized by a group called "The World Can't Wait--Drive Out the Bush Regime." Teachers, administrators, and campus security all defended the decision, saying it gave them a chance to supervise students who would be protesting anyway...
And a link: http://www.worldcantwait.net/index.php?option=com_content&task=blogcategory&id=1&Itemid=2