socio-economic class vs social class

socio-economic class and social class both are nouns.

Word	Noun	Adjective	Verb	Adverb
socio-economic class	Yes	No	No	No
social class	Yes	No	No	No

As nouns, socio-economic class and social class are synonyms defined as:

socio-economic class and social class: people having the same social, economic, or educational status

Other synonyms of socio-economic class include class, stratum.

socio-economic class (noun)	social class (noun)
people having the same social, economic, or educational status	people having the same social, economic, or educational status