Черта подруги либо друга

My friends name is Kolya. He is the same age as me. I have known him from the 4^th grade of the school. We study at the parallel classes. He is very kind and funny. He always helps me when I am in trouble. Kolya has brown curly hair and blue eyes. My friend is taller than me by a head. He is fond of спорт, music and art. Kolya has been going to the Musical School since the 1^st grade. He plays the violin in the orchestra. He also likes football and tennis. My friend is very clever. Most of his marks are excellent. Kolya often attends History and Math competitions.