It is really important that you know when to book a test for COVID and what signs and symptoms to look out for.

Here is the address to the government web page outlining the information you need:

https://www.gov.uk/government/publications/guidance-to-parents-and-guardians-when-you-should-book-a-coronavirus-test-for-your-child/letter-to-parents-and-guardians-when-you-should-book-a-coronavirus-test-for-your-child