Exhibit 32.1
Certification of Periodic Report
Pursuant to §906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. §1350, the undersigned officer of Renaissance Learning, Inc. (the “Company”), hereby certifies that, to the undersigned’s knowledge:
| (1) | | the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2007 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and |
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| (2) | | the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. |
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Dated:August 8, 2007
| /s/ Terrance D. Paul | |
| Name: | Terrance D. Paul | |
| Title: | Chief Executive Officer | |
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THIS WRITTEN STATEMENT ACCOMPANIES THIS REPORT PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 AND SHALL NOT BE DEEMED TO BE FILED BY THE COMPANY FOR PURPOSES OF THE SECURITIES EXCHANGE ACT OF 1934.