Booklists for Children in Key Stage 1 In educational settings in England and Wales, Key Stage 1 (KS1) usually refers to children in school Years 1 and 2 (ages 5-7). Our selection of recommended booklists for children in KS1 covers everything from storytime favourites and first chapter books to popular KS1 topics like Weather & … Continue reading KS1 Booklists (Ages 5-7)