Is there any type of settlement visa I can think of that qualifies her to stay with the kids in UK

Thanks

Good day Am a British Citizen resident in Nigeria and married to a Nigerian for 12 years. We have 4 children who are all British aged between 5 - 11 years. I intend to move my wife and the 4 kids to the UK for settlement for better education while I remain in Nigeria because of the high paying job ...