44744b55__News___Solictors___Findlaw_UK__Length_of_stay_allowed
[Type of course] Below degree level [Length of course] 12 months or more [Length of stay allowed] 
The full length of the course (up to a maximum of three years if you are 18 years old or above) plus four months after the end of your course
Immigration 101: Adult Student Visas - How Long Can I Stay? (#38) - Find Laws, Legal Information, News & Solictors - Findlaw UK
Length of stay allowed