Check out secular homeschool website. Lots of good info there.
Oak meadow is supposed to be great and they have book or web based for a decent price.
Global student network looks nice but a little spendier.
I lile calvert but thats the higher end.
We had good results with time4learning and its monthly pay at $15 per student (might be $19 for one then $15 for next)
The well trained mind forums have good ideas too but I found lots of super acclerated learning on there so I only browse.