Marc-Antoine Jullien, a French philosopher and educator, is credited with pioneering the field of comparative education through his extensive studies and writings on educational systems across different countries.

Early comparative education studies primarily aimed to analyze and compare educational policies, systems, and practices in different countries to identify effective approaches and inform educational reforms.

UNESCO (United Nations Educational, Scientific and Cultural Organization) has been instrumental in fostering comparative education through its research, publications, and initiatives aimed at promoting international cooperation and understanding in education.

The International Bureau of Education (IBE) was founded with the primary goal of facilitating comparative education research and disseminating information on educational practices and policies worldwide.

Isaac Kandel, an American comparative education scholar, stressed the need to consider the cultural, historical, and social factors that shape educational systems and practices in different countries.

During the mid-20th century, comparative education research largely centered on analyzing and comparing curriculum content, educational methods, and assessment practices across countries.

Philip Foster, a British comparative education scholar, proposed the 'convergence theory,' suggesting that educational systems worldwide were becoming increasingly similar due to globalization and the spread of Western educational models.

In recent decades, comparative education research has increasingly focused on issues of educational inequality, social justice, and the impact of globalization on educational systems and opportunities.

The Programme for International Student Assessment (PISA) is a large-scale international study that evaluates the performance of 15-year-old students in mathematics, science, and reading.

The Comparative Education Society (CES) is a professional organization dedicated to fostering international collaboration, research, and dissemination of knowledge in the field of comparative education.

Nicholas Hans, a British comparative education scholar, stressed the significance of examining education within its historical context to understand its evolution and impact on society.

During the 1960s and 1970s, comparative education research largely focused on educational planning, aiming to inform policy decisions and improve the efficiency and effectiveness of educational systems.

Paulo Freire, a Brazilian educator and philosopher, developed the 'dependency theory,' which analyzed the relationship between education and social inequality, particularly in developing countries.

The Comparative and International Education Society (CIES) is a professional organization dedicated to promoting research, dissemination of knowledge, and international collaboration in the field of comparative and international education.

Samuel Bowles, an American economist and comparative education scholar, highlighted the significance of considering the political context and power structures that shape educational systems and outcomes.