bad grades.
No he does not get good grades he gets bad grades!
Go to summerschool, and follow the teacher's directions. He/She may make up for those bad grades and change them to the grades you want.
The grades will stay the same. Grades don't depend on clothes.
It is usally a 9 out of 10 chance that a child will have bad grades after moving.
Bring up your grades, asap.
It's when you are a bad student or if you have bad grades.
NO
You will be in trouble.
"Sacamos malas notas" means "We got bad grades" in English.
get better grades
try earning better grades