Coding Across the Curriculum/Computational Thinking
This website may has so many useful link s to great coding apps that you can use in schools. Lots of these are not used to the full potential and it helps to keep your children guessing as to what you are teaching them next. The are so easy to use, colourful and really embrace mastery in the Computer Science Curriculum.
If you are looking for something to help you progress from KS2-3 or challenge your able KS2 children EduBlocks is a really good resource!