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What is the difference between an HL and an SL course?

April 26, 2017course HL SL

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What is the difference between an HL and an SL course?

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An SL course must include a minimum of 150 hours of teacher contact time, while an HL course represents a minimum of 240 hours of teacher contact time over two years. Naturally, HL courses cover a larger body of content than SL courses. HL and SL exams are similar in format and assessment, and there is a core of material common to the curriculum in both levels.