What is the most important event in korea?

This is new to me, [이름]!

I haven\'t heard about SAT day or even searched about it. Thank you for your informative composition. I\'ll definitely ask some of my students about this event. See you!

~Teacher Eunice

Considering that the literal meaning of \'event\' connotes \'being celebrated\', there could be lots of festivals held in korea.
 >>> Considering that the literal meaning of \'event\' connotes \'being celebrated\', there could be lots of festivals held in Korea.

But, I would like to introduce korean SAT as the most important event in korea.

 >>> But, I would like to introduce Korean SAT as the most important event in Korea.

The educational athourity in korea is currently running two types of highschool.

 >>> The educational athourity in Korea is currently running two types of high school.

One aims to teach students preparing for higer education, and the other aims to provide students job training for an employment.

 >>> One aims to teach students in preparation for a higher education, and the other aims to provide students job training for employment.  

Suprisingly, almost 90% of highschool students enter into an university or a college, even though they are in attendance at a job traning school.

 >>> Surprisingly, almost 90% of high school students who enter into a university or a college, even though they are in attendance at a job traning school.

Thus, many students take an korean SAT exam and most of the adults have an experience with that exam.

 >>> Thus, many students take the Korean SAT exam and most of the adults have experienced taking that exam.

Unlike US system, Korea provides only one chance to take the test annually.

>>> Unlike the US system, Korea provides only one chance to take the test annually.

 That is why \'the day\' becomes the subject of all broadcasting. And the market of sweets and gift soars.

>>> That is why \'the day\' becomes the subject of all the broadcasting companies, and the market of sweets and gifts soar.  

Diverse promotions towards test-takers are planned and provided duaring whole winter vacation.

>>> Diverse promotions towards test-takers are planned and provided during the whole winter vacation.

Ask a korean friend \'what about your SAT day?\'!

>>> Ask a Korean friend, \"what about your SAT day?\"