EX-21.01 5 c74257exv21w01.txt EX-21.01 SUBSIDIARIES OF THE REGISTRANT EXHIBIT 21.01 SUBSIDIARIES OF THE REGISTRANT PLATO Learning, Inc. has three subsidiaries: 1. PLATO, Inc. 2. CyberEd, Inc. 3. TeachMaster Technologies, Inc. PLATO, Inc. has three subsidiaries: 1. PLATO Learning (Canada), Inc. 2. PLATO Learning (UK), Ltd. 3. NetSchools Corporation