The third place in the tournament / Der Dritte Platz in dem Wettbewerb. Hilft Dir das Weiter?

Thank you for your reply, I mean that i got the third place in the world high school, for example th century first student had got 98% and the second 96% and the third 95%, so my ranking was the third, but i don't want to write it in a sentence because there is no much space in the cv, if it possible to say it like in English "ranked third"

What exactly do you mean by "ranked third in high school"? If you want to say what grade you have, then we say: "Ich bin in der dritten Klasse." "Rang" is a "rank" in a competition.