You can apply for a Parent of Tier 4 child visa if:
You can apply for a visa up to 3 months before your date of travel to the UK. You should get a decision on your visa within 3 weeks.
You can check the guide processing times to find out how long getting a visa might take in your country.
This visa usually lasts for either 6 or 12 months. After that, you can get extensions for 12 months at a time until your child reaches 12 years of age.
You’ll be given a shorter visa and won’t be able to extend that visa if your child is going to:
You must leave the UK when your visa expires in either case, and can’t switch to a different visa category. If your child is staying in education in the UK without you, you must make arrangements for their ongoing care.