Exhibit 1

Agreement of Joint Filing

Pursuant to 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned persons hereby agree to file with the Securities and Exchange Commission the Statement on Schedule 13D (the “Statement”) to which this Agreement is attached as an exhibit, and agree that such Statement, as so filed, is filed on behalf of each of them.

IN WITNESS WHEREOF, the undersigned have executed this Agreement.


	Camden Partners Strategic Fund II-A, L.P.
	By:	Camden Partners Strategic II, its general partner


	/s/ Donald W. Hughes
	Name:	Donald W. Hughes
	Title:	Managing Member


	Camden Partners Strategic Fund II-B, L.P.

	By:	Camden Partners Strategic II, its general partner


	/s/ Donald W. Hughes
	Name:	Donald W. Hughes
	Title:	Managing Member


	Camden Partners Strategic II, LLC

	/s/ Donald W. Hughes
	Name:	Donald W. Hughes
	Title:	Managing Member


	Richard M. Berkeley
	/s/ Donald W. Hughes, Attorney-In-Fact



	Richard M. Johnston
	/s/ Donald W. Hughes, Attorney-In-Fact



	David L. Warnock
	/s/ Donald W. Hughes, Attorney-In-Fact


	Donald W. Hughes

	/s/ Donald W. Hughes

CAMDEN PARTNERS STRATEGIC II LLC SC 13D/A