Project-Based Learning (PBL) connects standards-based content to real-world scenarios through the use of projects to improve student achievement. By engaging students in authentic problems that do not have a predetermined solution, students learn both subject matter and critical 21st-century skills. This "Focus On" addresses what separates PBL from traditional projects, its effects on student motivation, and advice and guidelines for effective PBL implementation. (Contains 30 resources and 10 web resources.)