Passing a Class With a Single Test?

Aberdeen, WA - What if you could pass a single test, and instantly get credit for that High School class? Aberdeen School Superintendent Tom Opstad says that's a foreseeable future "They're going to be able to define what a credit means, so if you challenge a course, and you meet those requirements that you could get a credit."
Opstad attended Association of Washington State Principles seminars this summer, he said he expects to see something like that in the next two or three years.