As a teenager, I go to the school almost every day (6 times a week) because I also work [there] on Saturdays. As a teenager, I go to school almost every day (6 times a week) because I also work [there] on Saturdays.

The end is a little unclear. By "work" here we would assume you have a job at the school. If that's the case, include the "there." But if you are there just for additional school work, maybe say something like, "... because I also have classes on Saturdays."

As a teenager, I go to the school almost every day (6 times a week) because I also work on Saturday. As a teenager, I go to school almost every day (6 times a week) because I also work on Saturday.

I will have the exams at the end of the year, and I have many tests every week. I will have exams at the end of the year, and I have many tests every week.

I will have the exams at the end of the year, and I have many test every week. I will have exams at the end of the year and I have many test every week.

I will have the exams at the end of the year, and I have many tests everyach week. I will have the exams at the end of the year, and I have many tests each week.

I am pretty intelligent at school so I can have, so I get good grades with nout working hard for it, but for other people, sometimes it's more complicated. I am pretty intelligent, so I get good grades without working hard for it, but for other people, sometimes it's more complicated.

If you are intelligent, you are intelligent; we wouldn't phrase it that you are specifically intelligent while at school. I should maybe mention that this can sound arrogant, but I'm not here to judge you :)

I am pretty intelligentgood at school so I can haveget good grades with not working hard but for other people, sometimes it's more complicatedbut others can’t. I am good at school so I get good grades but others can’t.

I am pretty intelligent at school so I can haveget good grades with nout working hard but for other people, sometimes it's more complicated. I am pretty intelligent so I can get good grades without working hard but for other people, sometimes it's more complicated.

I am in a really good Uuniversity (the best in my region in Normandiey), and the pupilstudents who have difficulties can feel a pressure made byfrom the teachers or the director. I am in a really good university (the best in my region in Normandy), and the students who have difficulties can feel pressure from the teachers or the director.

The word "university" is not capitalized, but if you referenced your specific university by name, that name would be capitalized. "Pupils" sounds a bit strange to use for adults/older teens in university; it is more appropriate for very young school children.

I am in a really good University (the best in my region in Normandie), and the pupils who have difficulties canmay feel a pressure made by teachers or the director. I am in a really good University (the best in my region in Normandie) and the pupils who have difficulties may feel pressure.

I am in a really good University (the best in my region in Normandie), and the pupils who have difficulties can feel a pressure made byfrom the teachers or the director. I am in a really good University (the best in my region in Normandie), and the pupils who have difficulties can feel pressure from the teachers or the director.

Personally, I don't feel pressure from them, but I know it's a bit difficult for some people. Personally, I don't feel pressure from them, but I know it's a bit difficult for some people.

Personally, I don't feel pressure from them but I know it'sthat it's been a bit difficult for some people. Personally, I don't feel pressure from them but I know that it's been a bit difficult for some people.

However, getting good grades can be difficult, and at the Umy university, there is something weird where all the pupilsa weird thing students do where they compare their grades with thone other. However, getting good grades can be difficult, and at my university, there is a weird thing students do where they compare their grades with one other.

More natural

I know because, I also do that. I know because I also do that.

I know, because, I also do that. I know, because I also do that.

A break is more natural before "because" than after it

For the best pupilstudents, you want to have the best grades of your class, and when you have difficulties, you want to have a better grade thatn the mediumaverage. For the best students, you want to have the best grades of your class, and when you have difficulties, you want to have a better grade than the average.

For the best pupils, you want to have the best grades ofin your class and when you have difficulties, you want to have a better grade thatn the mediuman. For the best pupils, you want to have the best grades in your class and when you have difficulties, you want to have a better grade than the median.

And I think it's this competition who providethat gives us pressure. And I think it's this competition that gives us pressure.

Generally, "provide" is going to be used for positive things

And I think it's this competition who provide usich pressures us. And I think it's this competition which pressures us.

You always want to work to get bestter grades thatn your friend. You always want to work to get better grades than your friend.

You always want to work to get bestter grades thatn your friend. You always want to work to get better grades than your friend.

"best" is used when picking the best amongst several things, for one to one comparisons "better" is used

Nevertheless, I think you cashouldn't acting like there areis no competitions, because I think, it's also the thing that will makes you motivated. Nevertheless, I think you shouldn't act like there is no competition, because I think it's also the thing that makes you motivated.

It's not a good idea for you to do it = you shouldn't It's not possible for you to do it = you can't

Nevertheless, I think you can't acting like there areis no competitions, because I think, it's also the thing that will makes you motivated. Nevertheless, I think you can't act like there is no competition, because I think it's also the thing that will makes you motivated.

Same as before, the pause is more natural before the "because"

To conclude, I think there is a pression inure at schools, i. It's obvious, particularly for the people who don't get good grades. To conclude, I think there is pressure at school. It's obvious, particularly for the people who don't get good grades.

To conclude, I think there is a pressionure in schools, ithat's obvious, particularly for the people who don't get good grades. To conclude, I think there is pressure in schools, that's obvious, particularly for the people who don't get good grades.

But, this competition can have some good effects too, like motivating you. But this competition can have some good effects too, like motivating you.