is he gay?

In an interview with Tillmann Prüfer publiced in "ZEIT MAGAZIN" no. 8, 17.02.2011 he replied the Вопрос "Are Ты interested in men или women?" as following: "Let my put it this way: Любовь knows no limits"

I read somewhere that he was according to someone who used to go to his school.

That's his business! What i care about is that he is so adorable! I hope he does really well and keeps on modeling!