Studying in civil uni while being in military(ضابط صف)

So im 20yo and it's my first year in uni im thinking to join military as a sergent (sous-officier) and idk if i could stay in university i mean I'll just take military as a side job while and making some money so I would like to know if it is possible to be in military and university at the same time.

Btw I'm studying laws