Fatty foods?!

Fatty foods?

i am in 8th grade, 5 ft, and 78 pounds. i eat a ton!! but i dont gain weight ( i have gained 2 pounds since last year) anybody know some healthy foods that will not risk my health and are high in fat?

Nuts (pecans, walnuts, almonds, peanuts), natural peanut butter, flax seeds, sunflower seeds, Fresh SALMON, green and black olives, cooking w/olive oil or use as dressing, and avacados.