Students leave Columbine High School at the end of classes yesterday, the eve of the sixth anniversary of the fatal shooting of 12 students and a teacher by two students who then killed themselves. (AP PHOTO) Ken Srdjak Related articlesStudents are paying to do unpaid labor; What the ‘U’ can doFirst-generation U-M students gather for winter dinnerBlack Student Union calls on UMich to increase support, advocates for Black students at rally