All school children undertake National Tests at the end of Key Stage 1. National Test Practice Papers for Key Stage 1 are the only annual practice papers published that ensure maximum relevance to the forthcoming tests. This series enables parents and carers to monitor progress and offer guidance and advice leading up to the National Tests.All school children undertake National Tests at the end of Key Stage 1. National Test Practice Papers for Key Stage 1 are the only annual practice papers published that ensure maximum relevance to the forthcoming tests. This series enables parents and carers to monitor progress and offer guidance and advice leading up to the National Tests.