schoolbook vs school text

schoolbook and school text both are nouns.

Word	Noun	Adjective	Verb	Adverb
schoolbook	Yes	No	No	No
school text	Yes	No	No	No

As nouns, schoolbook and school text are synonyms defined as:

schoolbook and school text: a book prepared for use in schools or colleges

Other synonyms of schoolbook include text, text edition, textbook.

schoolbook (noun)	school text (noun)
a book prepared for use in schools or colleges	a book prepared for use in schools or colleges