There are several schools of thought on this, but the general consensus is "yes". One theory suggests that students who wear uniforms and who do not have to worry about wearing the latest fashions are free to concentrate more on their studies. They are less concerned about maintaining a high standing among their peers. Also, schools which enforce either an appropriately regulated dress code or the wearing of a uniform with respect and pride are more likely to see a better overall attitude of students to their schoolwork.
No.
No.
it affect your grades
yeah it does affect there grades because they are too busy having sexual intercourse and forget about studying
cause if u dont get sleep u will have bad grades
It doesn't effect any grades. You just stay back in the same grade.
It depends what school you go to.
it does not affect the speed at all, unless the clothing is really loose on you and is blowing in the wind
The affect is the seed will slowly die.
There is currently no real proof to answer this question.
you can stay awake more and you can focus on the tasks
The answer would be effect.