I accept study about where study is a noun ("He conducted a study about changes in population"), but I saw this construct in a local newspaper article and it struck me as odd. Here, study is a verb. Is this actually acceptable or is it just a regional variation that has mistakenly made its way into print?
More than 30 seventh- and eighth-graders and their chaperones will be flying to Washington, D.C., for a five-day trip to see the places and monuments they have been studying about this year.
The students have been studying about the U.S. government.

