<p>"IB SL classes and AP classes are equivalent."</p>
<p>Based on what? As I said in post #19, IB is more based on critical thinking, whereas AP is more memorization (seems like a difference to me). Are you saying they are equivalent in terms of content covered? Because I've heard otherwise from my teachers who have taught AP before IB (take AP Econ vs. IB Econ SL: SL covers an entire unit more than AP, and involves a lot more essays and has no multiple choice. IB SL is more similar to IB HL than it is to AP for Econ because HL just adds a couple of topics in terms of curriculum, but involves a lot more essays when it comes to testing). And the tests are most definitely different. If you are basing that assumption on the fact AP and IB SL students are clumped together in a single year class... well, they face very different preparation for testing (including learning different units), and very different testing situations.</p>