I eat school food for lunch (at around 12) cereal or poptarts for breakfast (around 630) and dinner is usually pretty healthy homemade food (at around 6-7)

Hi guys im new here. I was just wondering how you guys would recommend i reach goal. goal is to get a six pack (without flexing) by summer. Ive already been working out. any tips are appreciated. I am , 14, 5foot 10, and weigh 147 pounds.