Why did I level up so quickly?

Question

I've reached level 6. However, I have never finished a course, or solved a problem. I saw other accounts is already finished several courses, but their level is lower than mine. Why? They should be gained more XP than me

Answer 1

Use search option,To prevent similar questions
https://www.sololearn.com/Discuss/573986/?ref=app
https://www.sololearn.com/Discuss/2518221/?ref=app
https://www.sololearn.com/Discuss/2444279/?ref=app

Answer 2

Back to School Badge gives xp

Answer 3

Ok. Thank you