"Despite the fact that I am working full time, my salary does not meet the universities tuition
requirements. Like most adults, I have a home and family to take care of as well as bills (adjust that line as needed). This scholarship will present to me an
opportunity that I would otherwise be unable to experience on my income."
Yes, I think this sounds very good and lets the reader know that awarding you the scholarship will make a meaningful difference.
"Although I am working in a company,
but I cannot make ends meet on my salary " -- This is good, too.
"Although I am working in a company, the
expenditure cost of tuition in addition to other expenses amounts to a sum that is higher than my income."