A
"school bestie" refers to a person who is your closest friend at school. They are someone you spend a lot of time with, share secrets with, and trust.
Full definition
I bonded with my
high school bestie over a box of Kix cereal, and months later, she invited me to Thanksgiving dinner with her family!
On the piece, I can see the block my elementary school was on, the location of the neighborhood market where I worked for one week before getting a job at a jewelry store, and the spot of my
grade school bestie's house.
My
high school bestie, Susan is an incredibly talented home chef with impeccable taste in the kitchen.
for my high
school bestie's engagement party.