CEVAP:

English School has its main roots in the study of history, political theory and international law, whereas Constructivism grew out of debates about epistemology and method. The English School has a much more normative orientation as seen in debate about solidarism and pluralism. As to the norms and institutions of the society, while the English School scholars see them as historical formations, the constructivists see them as more of in contemporary terms and purpose oriented, very much similar to regime theory of liberalism.