 Of public school students living in Dubuque County, 81.3% attend DCSD schools.Approximately $10.5 million was spent on the Dalzell Field Reconstruction at Dubuque Senior High School, which was completed in April 2013.The field features 3,125 new spectator seats and the digital display on the scoreboard is 20 feet by 11 feet – one of the largest of its kind in the region.