Choosing subjects in the IB Diploma Programme is one of the most important academic decisions a student makes—and IB History often raises a big question: Should I take Standard Level (SL) or Higher Level (HL)? Both levels are respected, challenging, and academically rigorous, but they differ in depth of study, workload, assessments, and expectations. This blog is written from a student’s perspective, with clear explanations to help students and parents understand the differen