How does IB prediction replace GPA?

<p>I just transferred to a IB school from a school that doesn't offer any AP or honors during the first two years of high school
Hence I would like to know how does IB replace AP?</p>

<p>Also how do I write this thing on my common app?</p>

<p>And I have accomplished 200 hours of community service during my sophomore and freshman years
Does IB count them as the creative program or do I need to specify this on my common app? </p>

<p>Oh and I am going to apply for universities in The US</p>

<p>Please help me up :)</p>