learner's dictionary vs school dictionary

learner's dictionary and school dictionary both are nouns.

Word	Noun	Adjective	Verb	Adverb
learner's dictionary	Yes	No	No	No
school dictionary	Yes	No	No	No

As nouns, learner's dictionary and school dictionary are synonyms defined as:

learner's dictionary and school dictionary: a dictionary specially written for those learning a foreign language

learner's dictionary (noun)	school dictionary (noun)
a dictionary specially written for those learning a foreign language	a dictionary specially written for those learning a foreign language