English as it is: no.
However, English as a subject that will teach you important things like proper speech and grammar (like how people always get "their"/"they're"/"there" mixed up, etc): YES.
We NEED these things so that society doesn't gradually slump down into such a pathetically kindergarten, semi-illiterate state that we all speak like Snoop Dogg and his "homies", or write in SMS-type semi-English!!!!!!!!!!!!!!!!!!!!
(That wasn't racist; I just believe they're dreadful good role models in terms of proper speech etc, not to mention morals!!!! And that SMS-es are teaching people how to spell incorrectly.)
HSC English is generally hated for how it doesn't teach you anything that you'll actually need for "the real world"; yes, we can write an essay! Yes, we can deconstruct a wide variety of texts to indicate similes, metaphors, bildungsroman, allusions, etc!!
But DO WE REALLY NEED THAT?!?!?!?!
(I can argue both sides here).
The problem is, that I just finished arguing, for the sake of it, that theoretically, 3+2 COULD equal six, and made a whole load of people rather confused.
THAT is the problem with English!!
You can say whatever you like, and if you argued well enough, you could convince people that we all really have green skin with pink and orange blotches, and that we simply called it (skincolour), brown, etc.
We DON'T need to know about the infinite number of possible interpretations of Harwood and that quite a few come under the "psychoanalytic" or "universal themes" category.
We DON'T need to know about journeys and how they are an integral part of out being!! We CERTAINLY DON'T need to know their different forms!!
We should simply learn the skills that we will require throughout our lives.
(Like, the afore mentioned spelling and grammar).
If we want to do analyses etc, we should simply elect a separate course, under "Analytical Studies," or something like that.
It's not English!
It has to do with words and paragraphs, yes, but don't Biology, Commerce/Economics, History, Geography, and even Physics and Mathematics?