1) Service learning is a teaching strategy that combines meaningful community service with instruction and reflection to strengthen student learning and communities. Unlike volunteer work, service learning has defined learning objectives and aims to benefit both participants and recipients. 2) Service learning helps students develop 21st century skills like critical thinking, communication, collaboration, and civic engagement through hands-on project-based learning experiences. 3) Implementing effective service learning requires developing clear learning objectives, ensuring projects meet community needs, structuring reflection time, engaging students in decision making, and providing recognition for services.