Works for me. And "taking" could be substituted for "attending".

Student or Learner
Can you say it better? Students from all over the world attending any university course are invited to take part remotely.
Is it clear that every student can take part in the contest? Major, institution, location are not so important.
Works for me. And "taking" could be substituted for "attending".
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.
On second look, I think attending should definitely be replaced by taking. (You attend a university, but you take a course.)
Not a professional teacher