How do you say I graduated six years ago from college in French?

Question

I am writing a dialogue for my French class assignment and I would like to know how to say in French, I graduated six years ago from college. Any feedback would be helpful. Thanks

Answer 1

J'ai obtenu mon diplôme il ya six ans de collège

Answer 2

Sounds like you need to study harder

Answer 3

J'ai obtenu mon diplôme de l'université il y a six ans.

Answer 4

Tu peux dire aussi:

Il y a six ans que j'ai reçu mon diplôme universitaire.

Answer 5

J'ai obtenu mon diplome d'université il y a six ans.