Gebchak's practices come mainly from the Nyingma school of Tibetan Buddhism, while the Nunnery has been closely affiliated over its history with the Drukpa Kagyu lineage and with the Nangchen royal family.
Gebchak's customs primarily stem from the Nyingma school of Tibetan Buddhism, whereas the Nunnery has been closely tied to the Drukpa Kagyu lineage and the Nangchen royal family throughout its history.