Tesoro has two baseball fields, aquatics facilities, one softball field, one soccer/football practice field (in one of the baseball field's outfields), eight tennis courts, four volleyball courts, two basketball courts, and a football and track stadium. In 2006, the stadium was upgraded with artificial turf and track to match the other district high schools. Over the summers of 2014 and 2015, a group of Tesoro students painted most of the school hallways, themed by subject and adding a unique, vibrant mood to the walls.