You must pay the same visa fee for each person who is joining you in the UK.
Student Visa (Tier 4)
With this visa type, you will get the opportunity to study in one of the UK’s prestigious universities or colleges for the length of the course you are offered.
Apply from outside the UK
Extend your visa from inside the UK
Health surcharge per year for anyone 18 and over
Health surcharge for anyone under the age of 18 and for students who are on the Youth Mobility Scheme