The Princeton Review, the test-preparatory firm, accidentally published the personal data and standardized test scores of tens of thousands of Florida students on its Web site, where they were available for seven weeks.

Analysts expect the companies to become a potent new marketing force as they try to appeal to a fast-growing markets in countries like China, India and Russia.

Analysts expect the companies to become a potent new marketing force as they try to appeal to a fast-growing markets in countries like China, India and Russia.