session vs school term

session and school term both are nouns.

Word	Noun	Adjective	Verb	Adverb
session	Yes	No	No	No
school term	Yes	No	No	No

As nouns, session and school term are synonyms defined as:

Other synonyms of session include academic session, academic term.

session (noun)	school term (noun)
a meeting devoted to a particular activity	the time during which a school holds classes
a meeting for execution of a group's functions
a meeting of spiritualists
the time during which a school holds classes