There is no doubt that children excel in tests and examinations if they actually understand what they are being tested on. Thousands of children miss out on amazing opportunities because their key skills that they learn in their first year are not reinforced.
It is key to build upon these key skills otherwise learning something more difficult may be a struggle. These key skills include but are not limited to phonics, number bonds, literacy and mathematics.
Parents and Teachers for Excellence - https://parentsandteachers.org.uk/the-transformative-effect-of-weekly-knowledge-tests/
Parliament Street - http://parliamentstreet.org/research/2017/free-schools-free-society/