Exhibit 99.1

2911 Peach Street • Wisconsin Rapids, WI 54495-8036

Renaissance Learning, Inc. Announces Third Quarter, 2010 Results

WISCONSIN RAPIDS, WI — October 21, 2010 — Renaissance Learning^™, Inc. (Nasdaq: RLRN), a leading provider of technology-based school improvement and student assessment programs for K12 schools, today announced financial results for the quarter ended September 30, 2010. Revenues for the third quarter of 2010 were $32.6 million, an increase of 2.7% from third quarter 2009 revenues of $31.8 million. Net income was $6.2 million, or $0.21 per share, an increase of 19.6% from third quarter 2009 income of $5.2 million, or $0.18 per share.

Revenues for the nine-month period ended September 30, 2010 were $95.9 million, up 7.6% from 2009 revenues of $89.1 million. Net income was $16.3 million for the nine-month period ended September 30, 2010, up 23.2% from the prior year’s net income of $13.2 million. Earnings per share for the nine months of 2010 were $0.56, compared to $0.45, in the first nine months of 2009.  Net income for the nine months includes a tax benefit that resulted from an audit settlement, in the first quarter 2010, with the state of Wisconsin for $1.1 million, or $0.04 per share.

“We are very pleased with our performance in the third quarter,” commented Glenn R. James, Chief Executive Officer.  “Overall orders increased 11% with software orders up more than 16%, subscription renewal rates are strong, and we achieved record operating cash flow.  Deferred revenue, representing orders received to be recognized as revenue in future periods, grew by a record amount in the quarter and reached a new record balance of $80.7 million. We continue to demonstrate that with our strong line-up of fundamental, yet affordable, products that make a difference in the classroom and our commitment to our mission to accelerate learning, we can thrive even in difficult economic times.

“We are continuing to focus on growth initiatives, including enhancements to our STAR assessment products, an emphasis on growing within urban districts, and school improvement strategies,” continued James.  “Despite education budgets being under pressure, a situation we expect will continue this school year and next, we remain optimistic about our ability to achieve solid growth in the longer term.”  

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Renaissance Learning added approximately 500 new customer schools during the quarter and total schools worldwide that are actively using the Company’s products number over 72,000. Of these, more than 33,000 are actively using at least one product running on the Renaissance Place platform.  

The Company will hold a conference call at 5:00 p.m. EDT today to discuss its financial results, quarterly highlights, and business outlook. The teleconference may be accessed in listen-only mode by dialing 877-869-3847 at 5:00 p.m. EDT. Please call a few minutes before the scheduled start time to ensure a proper connection.

A digital recording of the conference call will be made available on October 21, 2010 at 8:00 p.m. through October 28, 2010 at 11:59 p.m. The replay dial-in is 877-660-6853. The conference account number to access the replay is 350 and replay ID number is 357613.

Renaissance Learning, Inc.

Renaissance Learning, Inc. is a leading provider of technology-based school improvement and student assessment programs for K12 schools.  Adopted by more than 72,000 schools, Renaissance Learning’s tools provide daily formative assessment and periodic progress-monitoring technology to enhance core curriculum, support differentiated instruction, and personalize practice in reading, writing and math. Renaissance Learning products and school improvement programs help educators make the practice component of their existing curriculum more effective by providing tools to personalize practice and easily manage the daily activities for students of all levels. As a result, teachers using Renaissance Learning products and programs accelerate learning, get more satisfaction from teaching, and help students achieve higher test scores on state and national tests. Renaissance Learning has seven U.S. locations and subsidiaries in Canada and the United Kingdom.

This press release contains forward-looking statements made pursuant to the safe harbor provision of the Private Securities Litigation Reform Act of 1995, including statements regarding management’s expectations regarding future growth and the impact of funding issues on Company results.  These forward-looking statements are based on current expectations and current assumptions which management believes are reasonable.  However, these statements involve risks and uncertainties that could cause actual results to differ materially from any future results encompassed within the forward-looking statements.  Factors that could cause or contribute to such differences include the failure of orders to achieve expected growth targets, a decline in quiz sales that exceeds forecasts, risks associated with the implementation of the Company’s growth initiatives, dependence on educational institutions and government funding, our ability to successfully implement cost savings measures and achieve cost reductions, and other risks affecting the Company’s business as described in the Company’s filings with the Securities and Exchange Commission, including the Company’s 2009 Annual Report on Form 10-K and later filed quarterly reports on Form 10-Q and Current Reports on Form 8-K, which factors are incorporated herein by reference.  The Company expressly disclaims a duty to provide updates to forward-looking statements, whether as a result of new information, future events or other occurrences.

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RENAISSANCE LEARNING™, INC.

CONSOLIDATED STATEMENTS OF INCOME

(dollar amounts in thousands, except per share amounts)

(unaudited)

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RENAISSANCE LEARNING^™, INC.

CONSOLIDATED BALANCE SHEETS

(dollar amounts in thousands)

(unaudited)