Share this article (PRNewsfoto/Lucas Education Research) SAN RAFAEL, Calif., Feb. 22, 2021 /PRNewswire/ -- Students in project-based learning (PBL) classrooms across the United States significantly outperform students in typical classrooms, according to four studies released today by Lucas Education Research, a division of the George Lucas Educational Foundation (GLEF), along with researchers from five major universities. In the first study ever reported on project-based learning and Advanced Placement results, research scientists at the Center for Economic and Social Research at USC Dornsife found that students taught AP US Government and AP Environmental Science with a PBL approach outperformed peers on exams by 8 percentage points in year one of a randomized controlled trial, and were more likely to earn a passing score of 3 or above with the chance to receive college credit. In year two, PBL students outperformed peers by 10 percentage points.