As US Schools Prioritize Diversity Over Merit, China Is Becoming the World’s STEM Leader In a 2018 report published by the Organization for Economic Cooperation and Development (OECD), China ranked first in mathematical proficiency among 15-year-olds, while the United States was in 25th place. Percy Deift, Svetlana Jitomirskaya, and Sergiu Klainerman 19 Aug 2021 · 12 min read