EXHIBIT 24.1 DIRECTOR'S POWER OF ATTORNEY (2002 Form 10-K) The undersigned director of Renaissance Learning, Inc. designates each of Terrance D. Paul and Steven A. Schmidt, with the power of substitution, as her true and lawful attorney-in-fact for the purpose of: (i) executing in her name and on her behalf Renaissance Learning, Inc.'s Form 10-K for the fiscal year ended December 31, 2002 and any related amendments and/or supplements; (ii) generally doing all things in her name and on her behalf in her capacity as a director to enable Renaissance Learning, Inc. to comply with the provisions of the Securities Act of 1934, as amended, and all requirements of the Securities and Exchange Commission; and (iii) ratifying and confirming her signature as it may be signed by the attorney-in-fact to the Form 10-K and any related amendments and/or supplements. Dated this 14th day of January, 2003. /s/ Judith A. Paul ------------------------------------- Judith A. Paul DIRECTOR'S POWER OF ATTORNEY (2002 Form 10-K) The undersigned director of Renaissance Learning, Inc. designates each of Terrance D. Paul and Steven A. Schmidt, with the power of substitution, as his true and lawful attorney-in-fact for the purpose of: (i) executing in his name and on his behalf Renaissance Learning, Inc.'s Form 10-K for the fiscal year ended December 31, 2002 and any related amendments and/or supplements; (ii) generally doing all things in his name and on his behalf in his capacity as a director to enable Renaissance Learning, Inc. to comply with the provisions of the Securities Act of 1934, as amended, and all requirements of the Securities and Exchange Commission; and (iii) ratifying and confirming his signature as it may be signed by the attorney-in-fact to the Form 10-K and any related amendments and/or supplements. Dated this 29th day of January, 2003. /s/ John R. Hickey ------------------------------------- John R. Hickey DIRECTOR'S POWER OF ATTORNEY (2002 Form 10-K) The undersigned director of Renaissance Learning, Inc. designates each of Terrance D. Paul and Steven A. Schmidt, with the power of substitution, as his true and lawful attorney-in-fact for the purpose of: (i) executing in his name and on his behalf Renaissance Learning, Inc.'s Form 10-K for the fiscal year ended December 31, 2002 and any related amendments and/or supplements; (ii) generally doing all things in his name and on his behalf in his capacity as a director to enable Renaissance Learning, Inc. to comply with the provisions of the Securities Act of 1934, as amended, and all requirements of the Securities and Exchange Commission; and (iii) ratifying and confirming his signature as it may be signed by the attorney-in-fact to the Form 10-K and any related amendments and/or supplements. Dated this 15th day of January, 2003. /s/ Michael H. Baum ------------------------------------- Michael H. Baum DIRECTOR'S POWER OF ATTORNEY (2002 Form 10-K) The undersigned director of Renaissance Learning, Inc. designates each of Terrance D. Paul and Steven A. Schmidt, with the power of substitution, as his true and lawful attorney-in-fact for the purpose of: (i) executing in his name and on his behalf Renaissance Learning, Inc.'s Form 10-K for the fiscal year ended December 31, 2002 and any related amendments and/or supplements; (ii) generally doing all things in his name and on his behalf in his capacity as a director to enable Renaissance Learning, Inc. to comply with the provisions of the Securities Act of 1934, as amended, and all requirements of the Securities and Exchange Commission; and (iii) ratifying and confirming his signature as it may be signed by the attorney-in-fact to the Form 10-K and any related amendments and/or supplements. Dated this 13th day of January, 2003. /s/ Timothy P. Welch ------------------------------------- Timothy P. Welch DIRECTOR'S POWER OF ATTORNEY (2002 Form 10-K) The undersigned director of Renaissance Learning, Inc. designates each of Terrance D. Paul and Steven A. Schmidt, with the power of substitution, as his true and lawful attorney-in-fact for the purpose of: (i) executing in his name and on his behalf Renaissance Learning, Inc.'s Form 10-K for the fiscal year ended December 31, 2002 and any related amendments and/or supplements; (ii) generally doing all things in his name and on his behalf in his capacity as a director to enable Renaissance Learning, Inc. to comply with the provisions of the Securities Act of 1934, as amended, and all requirements of the Securities and Exchange Commission; and (iii) ratifying and confirming his signature as it may be signed by the attorney-in-fact to the Form 10-K and any related amendments and/or supplements. Dated this 14th day of January, 2003. /s/ John H. Grunewald ------------------------------------- John H. Grunewald DIRECTOR'S POWER OF ATTORNEY (2002 Form 10-K) The undersigned director of Renaissance Learning, Inc. designates each of Terrance D. Paul and Steven A. Schmidt, with the power of substitution, as his true and lawful attorney-in-fact for the purpose of: (i) executing in his name and on his behalf Renaissance Learning, Inc.'s Form 10-K for the fiscal year ended December 31, 2002 and any related amendments and/or supplements; (ii) generally doing all things in his name and on his behalf in his capacity as a director to enable Renaissance Learning, Inc. to comply with the provisions of the Securities Act of 1934, as amended, and all requirements of the Securities and Exchange Commission; and (iii) ratifying and confirming his signature as it may be signed by the attorney-in-fact to the Form 10-K and any related amendments and/or supplements. Dated this 15th day of January, 2003. /s/ Gordon H. Gunnlaugsson ------------------------------------- Gordon H. Gunnlaugsson DIRECTOR'S POWER OF ATTORNEY (2002 Form 10-K) The undersigned director of Renaissance Learning, Inc. designates each of Terrance D. Paul and Steven A. Schmidt, with the power of substitution, as his true and lawful attorney-in-fact for the purpose of: (i) executing in his name and on his behalf Renaissance Learning, Inc.'s Form 10-K for the fiscal year ended December 31, 2002 and any related amendments and/or supplements; (ii) generally doing all things in his name and on his behalf in his capacity as a director to enable Renaissance Learning, Inc. to comply with the provisions of the Securities Act of 1934, as amended, and all requirements of the Securities and Exchange Commission; and (iii) ratifying and confirming his signature as it may be signed by the attorney-in-fact to the Form 10-K and any related amendments and/or supplements. Dated this 14th day of January, 2003. /s/ Harold E. Jordan ------------------------------------- Harold E. Jordan DIRECTOR'S POWER OF ATTORNEY (2002 Form 10-K) The undersigned director of Renaissance Learning, Inc. designates each of Terrance D. Paul and Steven A. Schmidt, with the power of substitution, as his true and lawful attorney-in-fact for the purpose of: (i) executing in his name and on his behalf Renaissance Learning, Inc.'s Form 10-K for the fiscal year ended December 31, 2002 and any related amendments and/or supplements; (ii) generally doing all things in his name and on his behalf in his capacity as a director to enable Renaissance Learning, Inc. to comply with the provisions of the Securities Act of 1934, as amended, and all requirements of the Securities and Exchange Commission; and (iii) ratifying and confirming his signature as it may be signed by the attorney-in-fact to the Form 10-K and any related amendments and/or supplements. Dated this 14th day of January, 2003. /s/ Addison L. Piper ------------------------------------- Addison L. (Tad) Piper