Project-based learning could improve outcomes for all students, according to two studies. The studies found that half of students who engaged in project-based learning passed Advanced Placement exams -- higher than the rate in traditional classrooms -- and that students from low-income households made similar progress as peers from wealthier ones.
Saavedra, A. et al. (2021). Knowledge in action: Efficacy study over two years. Los Angeles, CA: USC. https://cesr.usc.edu/sites/default/files/Knowledge%20in%20Action%20Efficacy%20Study_18feb2021_final.pdf
Krajcik J. et al. (2020). Assessing the Effect of Project-Based Learning on Science Learning in Elementary Schools. Lucas Educational Foundation. https://mlpbl.open3d.science/techreport