Thank you for your interest in perhaps obtaining membership into Sigma Beta Xi Sorority, Incorporated. Visiting our FAQ page will explain the basic requirements of membership. If you would like to apply for membership you may download our SBX National Application by clicking the link to the PDF file below. Once completed, you submit to this National Email Address . When you submit your application you must also submit a copy of a government issued photo ID and proof of education. After review of your application and documents you will be contacted by a member of our national team.