Edmentum
| Company type | Private | 
|---|---|
| Industry | Educational software | 
| Founded | 21 April 2000 | 
| Founders | David Muzzo Cameron Chalmers | 
| Headquarters | Dallas, Texas, U.S. | 
| Key people | Tim McEwen, CEO Mark Dubrow, CFO | 
| Products | Study Island EducationCity.com ESL ReadingSmart Northstar Learning | 
| Website | https://www.edmentum.com/ | 
Edmentum is an American online learning provider and owner of Reading Eggs internationally.
Founded in 2000 as Archipelago Learning, the company is headquartered in Dallas, Texas, and is a publicly held company with the largest shareholder being Providence Equity Partners, a media-focused private equity firm. The company went public in November 2009 under the ticker (Nasdaq: ARCL). On 17 May 2012, PLATO Learning acquired Archipelago Learning in an all-cash deal valued at $291 million. As a result, the stock was delisted.