Hehe, here's something I finally understood [stupid me...]
I saw nothing really wrong, thats because my eyes are tired, but I read it still and it's very very nice. And I do aggree with Crysi, I love the last 2 lines.
You have a avery clear voice and tone, as well as strong imagery. I would suggest rethinking the lines referencing the hallway. It dates you and the poem to school years. Poetry should be timeless.
'The Answer to the Great Question... Of Life, the Universe and Everything... Is... Forty-two,' said Deep Thought, with infinite majesty and calm. — Douglas Adams, The Hitchhiker's Guide to the Galaxy