Last week, IDEA Public Schools’ Mission campus had the sort of news on its hands that any school district dreads – female teacher arrested and charged with having a sexual encounter with one of her senior students (improper relationship between an educator and a student).Karen Bereniz Sosa, still innocent until proven guilty, now has the sort of GOOGLE home page that no one wants to see. GOOGLE her name and up pops news story after news story all with the same sort of headline: Mission teacher charged with student sexual relations.Currently out on a $50,000 bond, Sosa, 27 years old,