I'm a homeschooling mother of 6 kids. I have been teaching them for 16 years. My 4 oldest are graduated (all homeschooled through high school) and attending various universities. I'm currently teaching my 16 and 14 year old children. You can learn more about me and find some of my freebies at http://notebookingnook.blogspot.com/
Because we homeschool, I would say we use what works. What seems to work well for our family is a classical education along with a Charlotte Mason method of learning.
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I was married young and only have some college completed. However teaching my kids for the last 16 years has taught me first hand and I literally had on-the-job training. If I don't know something I need to teach my kids, I learn it, then teach it. Learning is a lifelong journey. I do plan to go back to school once my kids are all grown and work towards a degree in Education.
You can read more about me at my blog here: http://notebookingnook.blogspot.com/p/about.html