University where I want to go

The university that I want to get into is KAIST.
KAIST is my dream since I was young.
Actually, I only know one name of university when I was 7 years old.
I want to study more about science, so someday I will do research with my own topic.
I am interseted in mechanical engeneering which is used in particle physics.
KAIST have both of  mechanical engeneering and quantum physic major,
so I want to get into KAIST.

Our school's major departmemts

The CSHS offers the students to choose a major subject. We have 7 different departments available they are as follows:

Math
Probably the most powerful group in our school. That's probably because math is considered the most important subject in our school. Not only that but many students and teachers in the math department have a strong self esteem about about their department.
There are currently 8 teachers and there were roughly 20 students in our grade last year.
Their club name is SF - Solution Finders

Computer Science
The department I'm in. This deparment ha s a relatively big influence on others compared to its size. There is currently 1 teacher and there were 3 students in our grade including me.
Its name used to be MATRIX, but we changed it to TIG. It has multiple meanings. I'll leave that to you.

Physics
Another department where teachers and students are proud of themselves. As I know, the physics department was the biggest in our grade. There are 4 teachers currently. There were two seperate groups called AEC and DioPhysics.

Chemistry
One more big department. There are 4 chemistry teachers in our school. Also the chemistry department is known for using the most amount of money on its R&E projects. Their club name is Chemidiem.

Biology
A weird department in my opinion. They also have two seperate groups. BioBbAa and EU. In our grade, there was a bit of rivalry between the two groups. Now, I don't think there are any.

Earth Science/Environmental Science
These two groups are kind of mixed together. The teachers share the same staff room. There are 2 Earth Science teachers and 1 Environmental Science teacher. There were 4 students in Earth Science and 5 students in Environmental Science. There wasn't a particular name for their club that I know of.


There is a kind of hierarchy between these groups.

Math

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   Physics    -   Chemistry

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               Biology   -   Computer Science

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            Earth Science   -   Environmental Science