Stanines are a way to show how well someone did on a test. It is a number between 1 and 9.
Stanines are used in schools to measure how good students are at something.
Examples:
She got a 7 on her stanines.
What stanine did you get on the test?
The stanines show how well you did on the test.
He got a low stanine, so he needs to study more.
I got the highest stanine in the class!
The teacher looks at the stanines to see who did the best.