The student route, which builds on the existing student visa requires the individual to have a sponsor, English language capability and the ability to financially support themselves. 70 points are required.
The eligibility requirements can be found on page 33 of the UK points-based immigration system: further details statement.
A new graduate route will be available to international students who have completed a degree in the UK from summer 2021.
Launched in February 2020, this route replaces the Exceptional Talent Visa will enable international students to remain in the UK and work at any skill level for two years after they have completed their studies.