Complex sentence: Since 2005 some pupils have been fast tracked to take GCSE German and French two years earlier than typical; after completing language GCSE early they can choose between Spanish GCSE, or Japanese as a non-GCSE course.
Split into simpler sentences: Since 2005 some pupils are fast tracked to take GCSE German and French two years early. After completing language GCSE early, they can choose between Spanish GCSE or Japanese as a non-GCSE course.