What is a formal learning example that demonstrates the effectiveness of structured educational programs?

One example of a formal learning program that demonstrates the effectiveness of structured educational programs is the International Baccalaureate (IB) program. This rigorous curriculum is designed to provide students with a well-rounded education that emphasizes critical thinking, research skills, and global awareness. Research has shown that students who complete the IB program often perform better academically and are better prepared for college and future careers compared to their peers in traditional educational programs.