In 2009, the Bill and Melinda Gates Foundation invested about $3 billion in a variety of projects. Education was one of the areas emphasized. (Gates Foundation, 2009). Quoting from eSchool News:
Supporting the development and adoption of the Common Core standards was one of the Gates Foundation’s many education investments in 2009. All told, the foundation spent $373 million on U.S. education last year and another $19 million on libraries, according to its annual report.