2. Not necessarily

It's not too big, as long as your grades are not surpassed by people who are not in the experimental class. In other words, as long as you are not surpassed by people who are not in the experimental class, it doesn't matter if you are the last in the experimental class.

I don't think so. Even if there is, it is estimated that only a few are needed.

There are many high schools and many junior high schools.

6. Should it be all right?