Document And Entity Information (USD $)	12 Months Ended
	May 31, 2012	Nov. 30, 2011	Jun. 29, 2012 Common Class A [Member]	Jun. 29, 2012 Common Stock [Member]
Entity Registrant Name	SCHOLASTIC CORP
Document Type	10-K
Current Fiscal Year End Date	--05-31
Entity Common Stock, Shares Outstanding			1,656,200	29,816,389
Entity Public Float		$ 672,608,413
Amendment Flag	false
Entity Central Index Key	0000866729
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Well-known Seasoned Issuer	Yes
Document Period End Date	May 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY