Language courses in Finland are leveled from A to C, with A being for beginners. This is based on the Common European Framework of Reference for Languages, CEFR. Here is a short explanation of the different levels:
A1 – at this level you have extremely limited knowledge and are close to beginners.
A2 – you still have relatively little knowledge.
B1 – you start to get a grip on the language and you can express yourself quite well in some contexts.
B2 – you have good knowledge.
C1 and C2 – are advanced levels. If you are at these levels you have often studied the language at university or equivalent. You speak and write the language freely.
You can take this indicative online self test if you are unsure of what level you are at. Many education providers tests their new students language level
Read more about the Swedish language in Finland at InfoFinland.