As listed above, there are many schools of calligraphy derived from Sonen School, which may create an impression that the schools of Sonen School are flourishing; however, the schools were short of prominent calligraphers (the exception was the kakemono (a hanging scroll of calligraphy displayed in the teahouse) in this school were used for tea ceremony by Sojun IKKYU).
上記のように派生流派が多く、一見隆盛を極めているかのように見えるが、とくに傑出した能書家がない（一休宗純が茶道用の掛物として当流を使用しているのがわずかに目立つのみとされる）。