I'm Afraid I'm Going To Fail!

   If I were you, I would enter an ordinary class, in which I could easily get high grades, and in my free time at home (maybe at the beginning of a course) I would study Spanish calmly and patiently. In the end, I'll tell you, on average, they just waste your nerves on nothing.

   If you enroll in SMG, you will not have low grades, as long as you keep trying. But you didn't mention the most important thing about this high school - whether you're attracted to math. You will have two hours of math every day. If you don't like it or you don't like it, the idea is not good at all. The very fact that you mentioned Spanish shows what your preferences are. The language is always a plus, and for the class in SMG with German you will not have enough. So I advise you to choose Spanish.

   If you like math - SMG, but be prepared to study hard. If you want languages ​​- Spanish or English.

   You say to yourself that you want to learn Spanish. Then write Spanish. And those who started working at SMG just learned a lot and probably work as programmers. SMG is only for those who want to learn a lot of math and programming and does not deal with languages. And I think you really want to learn Spanish. So you better go to Spanish.