This is an interesting question just because it's not a usual thing for teachers to focus upon the Romantic characteristics in regards to this poem. However, they fit really well! This is especially true in the Romantic characteristics of importance of the common life as opposed to royalty/government, emotion, and nature (while it focuses less on the supernatural forces often seen within Romanticism).
First, let's concentrate on the importance of the "common man" instead of royalty, gentry, or upper classes. Take this quotation:
Two vast and trunkless legs of stone
Stand in the desert. Near them on the sand,
Half sunk, a shatter'd visage lies, whose frown
And wrinkled lip and sneer of cold command
Tell that its sculptor well those passions read
Which yet survive, stamp'd on these lifeless things
There is a statue here, yes. It stood for an "important" ruler of the past, yes. However, the statue lies in ruins. The legs are "trunkless." It is only a "shatter'd visage." It is also...
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