Hi Linda. Simply put: You need great content, and great site and page SEO. Regardless of what your niche might be, these two things are absolutely key to getting good rankings. Having a good backlink profile and plenty of social signals help tremendously as well. There is literally an entire industry built around SEO, so it's difficult to give you a perfect answer for your needs in a few hundred character reply to your question, however, this is a good place to start if you want to do it on your own: MOZ Beginners Guide to SEO