Do not worry about being too average. It sounds like you are doing what you want to do and doing it very well. That is exactly what you should be doing.
You should however think hard about what you want in a university or college.
You should also find two schools that are good safeties. Often it is easier for very strong students (such as you) to find reaches since your reaches are likely to be very famous universities. However, good safeties and matches are also important.