weight

So I've been around 123-125 all my life and now I'm 127 and I know that it doesn't seem like a lot but to me it is and I'm 5'3 and I just feel so fat and I do excercise and watch what I eat but what is the normal weight because I feel like I'm overweight and I feel like I look it but I'm not sure. I lack body confidence too so it might just be that. Also I'm going to college soon and am terrified of the freshman 15 🙁