Historical Severus
I think some of you might like a look at the face of the 'real' Severus. This bust of Lucius Septimius Severus (145 - 211) can be found at the Roman-German Museum at Cologne, Germany.
Many of you may know that Machiavelli used this Roman emperor for his book 'The Prince', but he's certainly worth looking at from slightly different historical angle. The historic Severus was actually a very efficient and popular ruler.
Each Severus was driven, eloquent, and intelligent, yet their paths diverge so starkly.
differences
But I'd say the answer is almost certainly, yes. Speaking from personal experience of removing a child from a bully-enabling private school to a government school in the same catchment area, if Snape had been removed from Hogwarts and sent to a school without the Marauders, he'd probably have made a wider circle of friends who liked him for himself.
duj