Online summer-school courses are giving students the chance to juggle jobs, activities, and family getaways while they earned academic credit, reports the Milwaukee Journal Sentinel. Online courses have quickly been gaining ground in Wisconsin, with several school districts playing host to their own virtual schools and many more giving students the opportunity to take fully computerized courses. But online summer school has been a little slower catching up. There are signs that might be changing, however. Wisconsin Virtual School has 153 students from 60 school districts enrolled in its courses this summer. That’s a 20-percent increase in the school’s third year of offering summer classes, said Dawn Nordine, who runs the school as director of instructional technology at Cooperative Educational Service Agency 9 in Tomahawk. "Lots of schools have offered summer programming, and they’re just starting to see that an online component can fill in other gaps for them," she said…