Make it compulsory for schools to give their GCSE students a option to take study leave. So a students full potential isn't limited because of a classroom environment.
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It gives students a chance to spend more time studying than they would normally be able to in the average school day. Students are given the chance to work independently and study without supervision or pressure. This means that students can achieve higher grades overall, due to addition revision time and helps students to identify and work on their revision to what suits them best.