Macmillan and Pearson PLC's Penguin Group (USA) declined to sign on to the settlement.

WSJ: DOJ Sues Apple, Publishers Over E-Book Price-Fixing

After results were released in April, parents helped unearth four errors made by test publisher Pearson PLC.

WSJ: New York City Gifted-and-Talented Program's Math Is Questioned

The company's Nook unit has attracted investors Microsoft Corp. owns 16.8 percent, while U.K. publisher and education company Pearson PLC has a 5 percent stake.

WSJ: B&N to add Google Play app store to its Nook HD

"His '7 Habits' was the first of the megaselling personal-organization books, " said Adrian Zackheim, publisher of Portfolio, a business imprint owned by Pearson PLC's Penguin Group (USA).

WSJ: 'Seven Habits' Author Covey Dies

Two years ago, the group said it would join education publisher Pearson PLC to overhaul the exam, align it with new academic standards and make it completely digital.

WSJ: Test Maker Pays New York State Students to Take a Trial Exam

The Financial Times is published by Pearson PLC.

WSJ: Hackers Hit Financial Times

Among the largest underlying components of PID, in trading today Shaw Communications Inc ( NYSE: SJR) is up about 1.1%, Thomson Reuters Corp ( NYSE: TRI) is up about 2.5%, and Pearson Plc ( NYSE: PSO) is higher by about 1.7%.

FORBES: PID, SJR, TRI, PSO: ETF Outflow Alert