Wal-Mart Stores Inc posted a higher quarterly profit on Thursday, helped by strong sales of back-to-school merchandise in the United States.

The world's largest retailer said it had earned $1.08 per share in the third quarter ended October 31, up from 97 cents per share a year earlier.

(Reporting by Brad Dorfman in Chicago and Jessica Wohl in Cincinnati; Editing by Lisa Von Ahn)