Gov. Mark Warner of Virginia , a Democrat who is chairman of the association , said : '' Three out of 10 students who enter high school do not graduate .
Mark Warner /people/person/place_lived Virginia
NNP NNP NNP IN NNP , DT NNP WP VBZ NN IN DT NN , VBD : '' CD IN IN CD NNS WP VBP JJ NN VBP RB VB .
Mark Warner
PERSON
Virginia
LOCATION
/people/person/place_lived