EXHIBIT 23 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in this Annual Report (Form 10-K) of National Computer Systems, Inc. of our report dated March 3, 1996, included in the 1995 Annual Report to Stockholders of National Computer Systems, Inc. and subsidiaries. We also consent to the incorporation by reference in Post Effective Amendment Number 2 to Registration Statement Number 2-80386 on Form S-8 (1982 Employee Stock Option Plan), Post Effective Amendment Number 1 to Registration Statement Number 2-96965 on Form S-8 (1984 Employee Stock Option Plan), Registration Statement Number 33-9830 on Form S-3 (Selling Shareholder), Registration Statement Number 33-21511 on Form S-8 (1986 Employee Stock Option Plan), Registration Statement Number 333-00377 on Form S-8 (1989 Non-Employee Director Stock Option Plan), Registration Statements Number 33-48509 and 333-00381 on Form S-8 (1990 Employee Stock Option Plan), Registration Statement Number 333-00379 on Form S-8 (1990 Long-Term Incentive Plan), Registration Statement Number 33-48510 on Form S-8 (1992 Employee Stock Purchase Plan), Registration Statement Number 33-68854 on Form S-8 (option held by former director) and Registration Statement Number 333-00383 on Form S-8 (1995 Employee Stock Option Plan) of our report dated March 3, 1996 with respect to the consolidated financial statements incorporated herein by reference in this Annual Report (Form 10-K) of National Computer Systems, Inc. /s/ ERNST & YOUNG LLP Minneapolis, Minnesota March 20, 1996