I am having hard time writing a letter stating that my parents will look after my daughter while I'm away of course with the help of my siblings.

I cannot take my daughter with me to England because she is enjoying her studies, she finished her nursery level and will continue her studies this coming school year. I don't want to interrupt on her learnings by taking her with me to the UK cos for me its being selfish.

Does anybody here experienced or have done this before? Can I get some tips and advices out of you guys? Many tnx in advance.