If you want to go to university in the UK, or plan on studying abroad, or if you really enjoy studying certain subjects, you get to study them deeply at A-Level not just superficially. You see some stuff that you would otherwise only see at university.
"Every student at Guildhouse School has access to Bloomberg Market Concepts
(BMC), a self-paced e-learning course that
provides an interactive introduction to
the financial markets and features over 70
Bloomberg Terminal functions."