This Order amends the Education (National Curriculum) (Key Stage 2 Assessment Arrangements) (England) Order 2003 to provide for pupils studying to the standards of the National Curriculum tests to be assessed by teachers in English writing and science in Key Stage 2. Pupils not studying to the standards of the National Curriculum tests are to be assessed in English reading, English writing and mathematics.
Link: The Education (National Curriculum) (Key Stage 2 Assessment Arrangements) (England) (Amendment) Order 2018
Source: Legislation .gov.uk