On legal status in their country of residence, being a DACA person gives them legal status, and maybe the Minister could rule that those enrolled qualify that way, even if they lose that status while being processed. 

The danger is family reunification. Their parents are likely still in the U.S. illegally, and DACA immigrants would likely bring in their low-skilled parents as soon as they can, thereby lowering the average skill level and raising the average age.