I eat every 3 hours or so, but that is because I get hungry that often. Unless you are a very high level wrestler, I think it is a very bad idea for a person your age and bodyfat level to be pulling weight.
Big people lift big weights. Just eat as much and as often as you can tolerate, and lift in whatever class you end up in. You are much bigger than I was at your age, at about the same height, and I currently weigh in the 220-230 range and am 10 years older than you.
As far as strength goes, nutrition is highly overrated. Eat plenty of protein, and beyond that, just make sure you are eating a bunch. Eat when you are hungry. If you want to get big and strong, also eat when you are not hungry. If you want to get strong without getting much bigger, eat a little cleaner, by that I mean eat more protein, less simple carbs, and plenty of fiber.
To bodybuilders nutrition is very very high priority, but honestly there have been some amazing feats of strength done by guys with a diet that would kill a grizzly bear. In fact I am remembering a guy I knew a few years ago named Kevin Beer, who was a great bench presser, well over 400 lbs in the 165's, and all that guy ate was cereal. No bull, he made weight by eating nothing but cereal with skim milk.
Proper training is much more important than proper nutrition. According to Louie Simmons when questioned about nutrition, he says "cholesterol turns into testosterone