The ASCD has an excellent self-assessment tool to help you decide what else you could do to implement more elements of global competence into your instruction. Use the Globally Competent Learning Continuum to begin.
The Global Education Checklist is an excellent assessment tool to be utilized by your teachers and school administration to analyze where your school is currently with the implementation of globalizing your school and offers guidance for next steps to improve your school's global competencies.
The Asia Society has an excellent website and resources to use. Check out these Global Competence and Outcomes Rubrics and free book load download to help guide you to integrate global education into your common core standards and classes. The Asia Society also has another book, Teaching for Global Competence in a Rapidly Changing World that offers additional ideas.
World Savvy video explains the global competency matrix.