schoolmaam
/ˈskuːlˌmeɪm/ (SKOOL-maym)
Definitions
1. noun
an older girl who helps a younger girl with her schoolwork, often a student in a higher grade
“As a schoolma’am, she assisted her classmate with her math homework.”
2. noun
an older girl who acts as a teacher or authority figure to a younger girl, especially in a school setting
“The schoolma’am made sure everyone was on time for class.”