My new school in this year is very expensive. It is a very good business school.

I mean, I am happy to have found a place and my. My mom is a nurse (?) and my father is a computer scientist .T, so this could be afforded easily.

I don't know for sure what is being conveyed here but I think I fixed it

But because the school costs so much, my parents would like my parents that Ie to be really good.

I hope I conveyed what you meant to say with this correction

I am really good in math and very interresting very fored in business but ist will be hard.

Because of this, I'm learn this summer my eing Englisch and fFrench this summer.

I am so excited ofor the school and the new courses like French and Business.

But thats is not all, I must too search mefor sports and a club too.

It could be a challaenge but I'll take it.

I am be happy to and I can wait .

How big, new and great all this and new.is

I hope I make a great first impression .

You could use "I hope to" "I hope that I" or "I hope I" here, but you can't follow "hope" with another verb.

tThe sSchool

My new school in this year is very expensive. It i's a very good business school.

I mean a, I'm happy to have found a place andthat my nurse and my fathermother and my computer scientist .Thisfather could be afford easily.

I've written this in a very colloquial way.

But because the school costs so much would like, my parents that I reallwant it to be very good.

Not 100% sure what you mean here, I hope this is correct.

I am really good inat math and very interresting very fored in business, but this will be hard.

Because of this, I'm learn this summer my eing Englisch and fFrench this summer.

I am so excited ofor the new school, and the newto take courses like French and Bubusiness.

But thats is not all. I musalso want too search mefor a sports and a club to join.

It could be a challaenge, but I takcan handle it.

I am be happy to, and I can't wait .

HowIt's all new, and big, and great all is and new.

I hope I make a great first impression .

tThe sSchool

We capitalize the first letter of the first word and important words in a title.

My new school in this year is very expensive. It is a very good business school.

I mean am happy to found a place and myhave been accepted. My mother is a nurse and my father is a computer scientist .Thisso we could beasily afford easilyit.

I don't really know what you were trying to say here so this is my best guess.

But because the school costs so much, however, I would like to show my parents that I really gooam working very hard.

Again, I don't really know what you were trying to say here so this is my best guess.

I am really good inat math and interresting very fort's used a lot in business but this will be hard.

Again, I don't really know what you were trying to say here so this is my best guess.

Because of this I learn this summer my eThat's why I'm learning Englisch and fFrench this summer.

I am so excited ofabout the school and the new courses like French and Business.

But thats is not all I must too search meThat's not all, however, I must also look for a sports team and a club.

Again, I don't really know what you were trying to say here so this is my best guess.

It could be a challaenge but I'm willing to take it.

I amwill be happy to and I can wait .

How big and great all is and new.

This sentence makes no sense to me so I removed it.

I hope I make a great first impression .