In case you missed it: This week’s top ed-tech stories (May 14th, 2012-May 18th, 2012)

Here are this week’s top headlines:

Monday, May 14th, 2012

United States higher education system ranked best in the world

McGraw-Hill making moves to establish independent education company

MIT+K-12 videos to be made available on Khan Academy site

Edutopia partners with Facebook to release guidelines for integrating social media into schools

Tuesday, May 15th, 2012

Engaging test prep apps on the way: Princeton Review and BenchPrep team up to make it so

Cengage partners with Foliotek to bundle products for higher ed

Social learning network OpenStudy goes mobile

Wednesday, May 16th, 2012

CTB/McGraw-Hill collaborating with BrainPOP

First Windows 8 tablets expected in November

Amazon reportedly launching front lit e-reader to complete with new GlowLight B&N Nook

Q&A site Quora raises $50 million

Thursday, May 17th, 2012

Udemy announces their top ten most financially successful instructors

StraighterLine now offering summer courses

Friday, May 18th, 2012