Elementary education

I had an interesting meeting with my counselor last week. He's my advisor within the Education department and I have been seeing him for the last year or so in the hopes of being confident in narrowing my options of decisions until I finally choose a career. This week I was having some personal conflicts as to whether I want to go in to elementary & secondary education next year. I had already signed up for an online college courses for over the summer which is an overview of secondary educational theory and elementary education principles set as a comparison and contrast of each other. I know that my decision is between secondary & elementary education but the problem is that I don't have any experience working with either age group and I don't want to choose one and find out way too late that I really hate it. I am really passionate about teaching, but I have met plenty of people who have done exactly this and once they have their student bills paid off they all change careers. This may seem like it goes against the idealism of wanting to become a teacher, but the kids know if their teacher is dispassionate and disappointed about where they are. I don;t want to be stuck in the position of some teachers I have actually had before that I just knew every time they walked through the door that they hated teaching our age group. I got this feeling mostly from middle school teachers which I am totally not surprised by. This little bit of memory bias in myself about the teacher I have had makes me feel like teaching high school would be a slightly more satisfying choice, but still I have no professional basis for comparison. Anyway, so the conversation I had with my advisor was basically surrounding all of these scattered bits of knowledge about each one and trying to bring them all together for the help of making a final decision. I do have another semester to decide, but I really want to know as soon as possible so I can focus on my studies and not be so nervous about the future.