1 Exhibit (21) McGRAW-HILL, INC. Subsidiaries of Registrant Listed below are all subsidiaries of Registrant, except certain inactive subsidiaries and certain other McGraw-Hill subsidiaries which are not included in the listing because considered in the aggregate they do not constitute a significant subsidiary as of the end of the year covered by this Report. State or Percentage Jurisdiction of Voting of Securities Incorporation Owned ------------- ---------- McGraw-Hill, Inc. New York Registrant CM Research, Inc. New York 100 Capitol Radio Engineering Institute, Inc. Delaware 100 *National Radio Institute Delaware 100 Columbia Acquisition Corporation Delaware 100 *Columbia Administration Software Publishing Corporation British Columbia 100 *Columbia Computing Services, Ltd. Canada 100 *Columbia Computing Services, Inc. Delaware 100 Computer and Communications Information Group, Inc. New Jersey 100 DRI Europe, Inc. Delaware 100 Editorial McGraw-Hill/Interamericana del Caribe, Inc. New York 100 International Advertising/ McGraw-Hill, Inc. Delaware 100 J.J. Kenny Company, Inc. New York 100 *J.J. Kenny Drake, Inc. New York 100 *Kenny Information Systems, Inc. New York 100 *Kenny Services, Inc. New York 100 Liberty Brokerage Investment Corp. Delaware 26.89 Macmillan/McGraw-Hill Joint Venture Holding Corporation Delaware 100 *CRWTH Computer Courseware, Inc. California 100 *Computer Systems Research, Inc. Connecticut 100 McGraw-Hill Broadcasting Company, Inc. New York 100 McGraw-Hill Capital, Inc. New York 100 *International Valuation Services, Inc. Delaware 40 McGraw-Hill Financial Publications, Inc. Delaware 100 McGraw-Hill International Enterprises, Inc. New York 100 McGraw-Hill News Bureaus, Inc. New York 100 McGraw-Hill Publications Overseas Corporation New York 100 MMS International Nevada 100 Money Market Directories, Inc. New York 100 Rock-McGraw, Inc. New York 45 Shepard's/McGraw-Hill, Inc. Delaware 100 -134- 2 State or Percentage Jurisdiction of Voting of Securities Incorporation Owned ------------- --------- S&P ComStock, Inc. New York 100 Standard & Poor's International Ratings, Ltd. New York 100 Standard & Poor's Ltd. Delaware 100 Standard & Poor's Securities, Inc. Delaware 100 Tower Group International, Inc. New York 100 Calificadora de Valores, S.A. de C.V. Mexico 100 Editora McGraw-Hill de Portugal, Ltda. Portugal 100 Editorial Interamericana, S.A. Colombia 100 Editoriales Pedagogicas Associadas, S.A. Guatemala 100 McGraw-Hill Book Company Australia Pty. Limited Australia 100 *McGraw-Hill Book Company New Zealand, Pty. Limited New Zealand 100 *Standard & Poor's (Australia) Pty. Ltd. Australia 100 McGraw-Hill Book Company (GmbH) Germany 100 McGraw-Hill Book Kabushiki Kaisha Japan 100 McGraw-Hill Data Services - Ireland, Ltd. Ireland 100 McGraw-Hill Holdings (U.K.) Limited Great Britain 100 *Insurance Solvency International, Limited Great Britain 100 *McGraw-Hill International (U.K.) Limited Great Britain 100 McGraw-Hill Information Systems Company of Canada Limited Ontario, Canada 100 McGraw-Hill/Interamericana de Chile Limitada Chile 100 McGraw-Hill/Interamericana de Espana, S.A. Spain 100 *Iberating, S.A. Spain 25 McGraw-Hill/Interamericana de Mexico, S.A. de C.V. Mexico 100 *Ediciones Pedagogicas, S.A. de C.V. Mexico 100 McGraw-Hill/Interamericana de Venezuela S.A. Venezuela 100 McGraw-Hill/Interamericana, S.A. Panama 100 *Editora McGraw-Hill de Espana S.A. Panama 100 McGraw-Hill Libri Italia Italy 100 McGraw-Hill Ryerson Limited Ontario, Canada 70 Medical China Publishing Limited Hong Kong 25 MHFSCO, Ltd. United States Virgin Islands 100 Nueva Editorial Interamericana, S.A. de C.V. Mexico 100 Nordisk Rating AB Sweden 100 Science Research Associates, Pty., Ltd. Australia 100 -135- 3 State or Percentage Jurisdiction of Voting of Securities Incorporation Owned ------------- ---------- Science Research Associates, Limited United Kingdom 100 Standard & Poor's - ADEF France 50 Standard & Poor's International, S.A. Belgium 100 Tata McGraw-Hill Publishing Company Private Limited India 40 382281 Ontario Ltd. Ontario, Canada 100 *Subsidiary of a subsidiary. -136-