Tommorro will be last Math class with my teacher

It will be last last Math class with my private teacher.

>> I have one Math class left with my private teacher.

I learned it from him for 6months.

>>  Correct

I improved my math score for the first time in middle school.

>> Correct

My math teacher will go to training camp for new job.

>> My Math teacher will go on training for a new job.

He will work at the supreme court.

>> Correct

He taught math really easy and was really genius but because his test acceptance about 5 level government officer.

>> He teach Math really easy and he\'s really a genius because his test acceptance is about 5 level government officer.

I was really sad to listened the news first.

>> I was really sad when I first heard it.

I should find a new teacher.

>>  Correct

I could understand the lesson which my teacher said.

>> I could easily understand the lessons that my teacher teach me.

It is sad news but it was good news to my teacher so I will goodbye to teacher happily.

>> It is a sad new but it was a good news for my teacher. So,  I will say goodbye to him happily.