The report presents information on implementing the research “Trends in School Education in the EU, USA and China” by the Department of Comparative Education at the Institute of Pedagogy of the National Academy of Educational Sciences of Ukraine during 2018-2020. The connection of the research topic with the Priority Directions of Scientific Research and Scientific and Technical Developments of the National Academy of Educational Sciences of Ukraine for 2018-2022 is emphasized. The most important results of the scientific research are presented, the emphasis on expansion of approbation directions is done, the contribution of the Department to reforming education in Ukraine is substantiated.