The document provides an annotated bibliography that supports K-12 service-learning standards for quality practice. It summarizes research that establishes best practices for the following standards: Duration and Intensity, Link to Curriculum, Partnerships, Meaningful Service, Youth Voice, Diversity, Reflection, and Progress Monitoring. The research shows that effective service-learning experiences are of sufficient duration and intensity, are directly linked to learning goals and curriculum, involve community partnerships, provide meaningful service opportunities, incorporate youth voice, promote diversity, incorporate reflection, and include progress monitoring.