Can I expect the academic performance of my child to be comparable to the public school system?
It will be better. Home educated children consistently out score their public school counterparts in standardized tests of academic achievement. There is a faction in the home school movement which does not believe in pushing children academically in the early years. In these cases, the children will trail public school children until they are 10 or 11, after which they will accelerate and surpass them in academic performance.