The center of the Reizei school's activities shifted with each era; in the Kamakura period, it was in Kamakura, while in the Muromachi and Warring States periods it moved to Sunpu before relocating to Edo in the Edo period, extending its influence only in the Kanto region (Sunpu was the seat of power for the Imagawa clan, who held the position of vice-Shogun under the Muromachi bakufu (Japanese feudal government headed by a shogun)), where the Nijo school failed to hold much sway.
鎌倉時代は、鎌倉で、室町時代および戦国時代_(日本)は、駿府で、江戸時代は、江戸でと、各時代を通して、二条派の勢力の及ばない関東地方でのみ、勢力を伸ばす（駿府は、室町幕府の副将軍家だったこともある今川氏の居館があった）。