This series provides guidance for designing and implementing a monitoring and evaluation (M&E) system. This series supports and complements CRS’ global M&E standards (CRS 2009). While the global standards represent the agency’s commitment to quality M&E as a key component of program quality, this series provides ‘how to’ guidance for operationalizing this commitment in practice. Each topic in the series includes its own set of standards (page 3), which emphasize the specific key messages and quality considerations relative to the topic. While the global M&E standards are high level overarching commitments, the standards in this series provide practical quality control considerations specific to individual components of an M&E system.