EXHIBIT 24 POWER OF ATTORNEY NON-EMPLOYEE DIRECTOR STOCK OPTION PLAN The undersigned directors and officers of National Computer Systems, Inc. hereby constitute and appoint J.W. Fenton, Jr. his true and lawful attorney-in-fact to sign and execute, on behalf of the undersigned, a registration statement and any amendment or amendments, including post-effective amendments thereto, for the registration, under the Securities Act of 1933, as amended, of up to 100,000 Common Shares of National Computer Systems, Inc. to be issued in connection with the Company's Non-Employee Director Stock Option Plan and the undersigned does hereby ratify and confirm all that said attorney shall do or cause to be done by virtue thereof. The undersigned have hereunto set their hands this 25th day of May, 1989. /s/ Charles W. Oswald /s/ John W. Vessey Charles W. Oswald, Chairman of the John W. Vessey, Director Board and Director (principal executive officer) /s/ David C. Malmberg /s/ Arthur E. Weisberg David C. Malmberg, President Arthur E. Weisberg, Director /s/ David P. Campbell /s/ Robert F. Zicarelli David P. Campbell, Director Robert F. Zicarelli, Director /s/ David C. Cox /s/ Jeffrey W. Taylor David C. Cox, Director Jeffrey W. Taylor, Vice President and Corporate Controller Harvey Golub, Director /s/ Stephen G. Shank Stephen G. Shank, Director EXHIBIT 24 POWER OF ATTORNEY NON-EMPLOYEE DIRECTOR STOCK OPTION PLAN The undersigned director and officers of National Computer Systems, Inc. hereby constitute and appoint J.W. Fenton, Jr. his true and lawful attorney-in-fact to sign and execute, on behalf of the undersigned, a registration statement and any amendment or amendments, including post-effective amendments thereto, for the registration, under the Securities Act of 1933, as amended, of up to 100,000 Common Shares of National Computer Systems, Inc. to be issued in connection with the Company's Non-Employee Director Stock Option Plan and the undersigned does hereby ratify and confirm all that said attorney shall do or cause to be done by virtue thereof. The undersigned have hereunto set their hands this 18th day of January, 1996. /s/ Russell A. Gullotti Russell A. Gullotti Chairman of the Board of Directors, President and Chief Executive Officer (principal executive officer) /s/ Jeffrey A. Taylor Jeffrey W. Taylor Vice President and Chief Financial Officer (principal financial and accounting officer)