The Washington Post Co posted a quarterly loss as advertising revenue at its flagship newspaper fell and fewer students signed up at its Kaplan chain of for-profit colleges.

The company's third-quarter net loss was $6.2 million, or 82 cents a share, compared with net income of $60.9 million, or $6.84 a share, a year ago.

Revenue fell 13 percent to $1.03 billion.

Results include impairment, restructuring and other charges. Excluding items, earnings were $4.95 a share.

Print advertising revenue fell 20 percent at the Washington Post. New enrollments at its colleges fell 30 percent for July-September.

(Reporting by A. Ananthalakshmi in Bangalore; Editing by Don Sebastian)