Can you advise us of precisely what are your grounds for applying for FLR?
To begin with, technically, you can't apply for FLR (Further Leave to Remain) because that presupposes that you have a pre-existing leave to remain.
You have broken a fair few immigration laws, from overstaying on a visit visa, your children admitted to school while they are overstayers and giving birth on the NHS when you were not entitled to.
rumiaktherhena1981 wrote:My unmarried partner is married and has children.
I presume that you mean that he is married to a person other than you. In that case, your relationship can not be taken into account because for that to be taken into account, your partner should have been free to marry when he was in a relationship akin to marriage with you.
Your children are doing well at school, but that is no reason to give the whole family FLR. The best interests of the child also presupposes that the child has some (legal) connection to the UK. Else, if all of Syria's children are illegally trafficked into the UK, they and their family can claim FLR on the grounds that their interests are better in the UK than in Syria. Then, multiply that argument by the number of countries poorer than the UK. I doubt very much that that argument would fly.
I believe that as your children have not been here for 7 years, the standard that the UKV&I would use would be tougher than the standard in
274ADE(1)(iv); that it would not be unreasonable for the child to leave the UK. You are lucky that that standard is far weaker than the one for adults; "there would be very significant obstacles to the applicant’s integration into the country to which he would have to go if required to leave the UK."
You have highlighted one paragraph in the
Immigration Directorate Instructions that is in your favour. But the other paragraphs suggest that it is in their interest to return to their home country.
Given the overall weakness of the case, I think it highly likely that the UKV&I will reject this application and that you will need to take this through the courts. You would want to be financially prepared for that as well.
I am not a lawyer or immigration advisor. My statements/comments do not constitute legal advice. E&OE. Please do not PM me for advice.