The 20th century saw major shifts in global education. Progressive and vocational approaches emerged, while compulsory schooling and standardized testing became widespread. Multicultural and inclusive education gained traction, responding to increasing diversity and advocating for students with disabilities. Key policy changes included desegregation, science education focus post-Sputnik, and global initiatives like Education for All. Influential thinkers like Dewey, Piaget, and Freire shaped educational theory. Technology revolutionized learning, from radio to AI, while globalization impacted curricula and assessment practices.