Don't know if I should join the Marines?

My parents wants me to join the Marines because they think that I should be more active and gain some skills while in the military. While my school try to prevent me not to go to the military because they think that in the military, you can't get an education and its dangerous, performing actions that can cause you your life. My teacher's recommend me continue to attend college where I'll be more suited for academic achievements but consequently my parents want me to join the Marines and so I think the fine way to settle this would be participate in the military after graduating from college but I'm not sure if that's possible because I had already sign a lot of papers and about to be departed to boot camp this August. The process for me to go to becoming a marine is almost complete, except that I have to pass the ISP test. Based on my decision, I want to attain more skills and experience to develop my character but also finishing my education as well. However it seemed that my teachers said that the government are sending more troops to Iraq and Afghanistan, so the recruiters will gather enough people to join the military because they're desperate. I'm still in high school and a senior going to college, so I pretty much join the Marines because my cousin asked me to preferably ask the recruiter to see if its fit for me. Truly I think that joining the military is beneficial due to their large option of giving the applicant more benefits but broadly I think its pretty risky because you'll be performing dangerous tasks that can harm your life but my recruiter tells me that I won't be placed on the front line but rather further behind to assist on the mission. Originally my cousin want to me join the Navy but she thinks that its similar staying in the ship distant from the battle. My brother also commented that becoming a Marine is a meticulous task and suggest me to change to another military branch but I'm not so sure, the Marines has the longest boot camp time period out of all the branches and its an elite force that requires your utmost ability. I mean its an intense training that was constantly test your skills and nervousness is usually a feeling that I can't escape from, so in an concluded sentence should I join the military or choose another route for me life?