| Document and Entity Information | Jun. 05, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 5, 2021 |
| Entity File Number | 000-19860 |
| Entity Registrant Name | SCHOLASTIC CORP |
| Entity Central Index Key | 0000866729 |
| Entity Tax Identification Number | 13-3385513 |
| Entity Incorporation State Country Code | DE |
| Entity Address, Address Line One | 557 BROADWAY |
| Entity Address, City or Town | NEW YORK |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10012 |
| City Area Code | 212 |
| Local Phone Number | 343-6100 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Security 12b Title | Common Stock, par value $0.01 |
| Trading Symbol | SCHL |
| Security Exchange Name | NASDAQ |
