This guide provides instructions for: A. Administering the ExCELS measure surveys to center staff B. Scoring the ExCELS measure C. Using the ExCELS measure scoring template to score the measure The final section of this guide, Section D, presents the ExCELS measure scoring template. Separate appendices include instruments related to the ExCELS measure. The teaching staff survey (Appendix A) and the center manager survey (Appendix B) are the measure instruments. Appendix C contains the Staffing Positions and Management Responsibilities interview guide as an optional, supplemental instrument for those interested in collecting information about formal management positions, roles, and structures. This interview should be conducted with the director or other formal manager in the building with oversight and management of day-to-day operations in the center. Please see the study report for more information on the use of this supplemental instrument. (author abstract)