It costs too much money, they fail to pass exams, family problems, they decide they want to do something else. They have medical problems, the economy tanks, they can't get along with the teachers and/or the other students.
16
They study
With parental consent, a student may quit school at age 16.
Do the assignments and study, study, study.
You can as long as you get accepted into the school where you want to study. Consult the instructions available on the embassy or consulate website where you intend to apply.
Study hard and don't quit
A student who quit school before graduating is a drop-out.
The verb form of "student" would be "study."
yes as long as if the student is good at study
The student’s college
A student
A graduate BSc or Post-Grad student if continuing studies.