From Front Page Magazine:

A foundation chaired by Barack Obama that was designed to improve Chicago public schools gave hundreds of thousands of dollars to the Small Schools Workshop, an organization led by former Weatherman Bill Ayers and by Michael Klonsky, a former chairman of both Students for a Democratic Society and, according to The Washington Post and New York Times, a group called the “Communist Party (Marxist-Leninist).” 
 
"Ayers and an old comrade from SDS, Mike Klonsky, run the Small Schools Workshop to mentor and provide guidance and technical support to educators seeking to start small schools,” The Chicago Tribune reported on Sept. 16, 2001… 
 
The August 26, 1977 New York Times, citing Klonsky as leader of the Communist Party (Marxist-Leninist), reported that he was one of only five Americans other than Secretary of State Vance and former President Richard Nixon and two Chinese-American scientists to have met with new Chinese Communist Party Chairman Hua Kuo-feng.
 
According to publicly available IRS 990 documents, the Small Schools Workshop that Klonsky ran with Bill Ayers received at least $800,000 from the Chicago Annenberg Challenge (CAC) between 1998 and 2002. Obama chaired the CAC.