This week's White House Twitter Chat focuses on education, with the US Secretary of Education Arne Duncan answering questions on college affordability:

Hey - I'm here everyone, ready to answer your Qs on college affordability. Ask w/ #WHChat -Arne— Arne Duncan (@arneduncan) June 27, 2012

It's going on LIVE, right now, so feel free to get on Twitter, tweet your questions to @arneduncan and include the hashtag #WHChat to get your questions answered. Here are a few tweets from the chat so far:   Question:

Q for @arneduncan @WHLive: America's education system has fallen behind other nations'. What can we learn from them? #WHChat #DontForgetEd — Don't Forget Ed (@DontForgetEd) June 27, 2012

Answer: 

.@DontForgetEd High performing nations all attract & retain great talent into teaching. We must elevate & strengthen the profession #whchat — Arne Duncan (@arneduncan) June 27, 2012

Question:

#WHChat How do we prepare students for college or careers when the emphasis in many schools is test scores?— Chris Cerrone (@Stoptesting15) June 27, 2012

Answer: 

.@Stoptesting15 we are giving states flexibility from #NCLB; many are much more focused on graduation rates & college going rates. #whchat— Arne Duncan (@arneduncan) June 27, 2012

Question:

@arneduncan #WHChat Do you think that aligning high schools with postsecondary education is the critical next step in education reform?— Academies (@MyFutureMyWay) June 27, 2012

Answer:

.@MyFutureMyWay Yes - hugely important. More & more high school students are getting college credit before they graduate. #whchat— Arne Duncan (@arneduncan) June 27, 2012