schooldame
/ˈskʊldəmeɪm/Definitions
1. noun
a woman who supervises and is responsible for the students in a school, typically in a more informal or traditional setting
“The schooldame was a stern but fair figure who ensured the students were on time for classes.”
2. noun
a woman who is in charge of a group of children, especially in a rural or old-fashioned setting
“As a young girl, she worked as a schooldame for a family of five children on a nearby farm.”