FOURTH AMENDMENT TO LEASE AGREEMENT

FOURTH AMENDMENT TO LEASE AGREEMENT

      THIS FOURTH AMENDMENT TO LEASE AGREEMENT (the “ Fourth Amendment ”) is made and entered into effective as of August 9, 2006, by and between SPIRIT MASTER FUNDING, LLC, a Delaware limited liability company, as successor-in-interest to Spirit Finance Acquisitions, LLC, a Delaware limited liability company (“ Lessor ”), and SIGNIFICANT EDUCATION, INC., a Delaware corporation, as successor-in-interest to Significant Education, LLC, a Delaware limited liability company (“ Lessee ”)

Recitals

      WHEREAS, Lessor and Lessee entered into that certain Lease Agreement dated as of June 28, 2004, as amended pursuant to that certain Amendment to Lease Agreement dated effective as of September 24, 2004, as further amended pursuant to that certain Second Amendment to Lease Agreement dated effective as of August 23, 2005, and as further amended pursuant to that certain Third Amendment to Lease Agreement d