we adopted our boys... the oldest is now almost 18... he came to us when he was 5... our younger son--his biological half-brother is 13... he was an infant when he came to us... our older son had an awful home life before he came to us... but he adapted nicely... thrived immediately... is smart, sharp, witty... musically and mathematically talented... the younger is like sunshine when he enters a room... both speak eloquently... they often have strangers who over hear them speak ask them where they go to school...
we have homeschooled them--from the start... they have been given a classical Christian education... and i think we were given the two best boys ever :)
Congratulations! I have a friend who is similarly blessed and happy... but sometimes nature trumps nurture.