We (my wife and I) home schooled our 2 boys ages 7 and 11 using A Beka DVD & Book program.
If you have the time and the will, you will profit just as much as the child you teach. The quality of the education is perfect and allows the child to learn to learn and enjoy the process.
They say the proof of the pudding is in the eating well. My boys did their senior year in a conventional school and graduated with a 4.0 and a 4.1. Oh yes, my boys did this while English was there 2nd language behind German.