A student in a pesantren is called a santri. After the founding kyai of a pesantren dies, his son or another santri may take over the supervision of the school, and would then be called kyai. It is possible for a large boarding school to have several kyai living and teaching there.
A student in a pesantren is called a santri. After the founding kyai of a pesantren passes away, his son or another santri might take over the management of the school, and would then be referred to as kyai. It is feasible for a substantial boarding school to have multiple kyais residing and teaching there.