Document and Entity Information	12 Months Ended
	Dec. 31, 2017 shares
Entity Registrant Name	RYB Education, Inc.
Entity Central Index Key	0001708441
Document Type	20-F
Document Period End Date	Dec. 31, 2017
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Filer Category	Non-accelerated Filer
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Class A Ordinary Shares
Entity Common Stock, Shares Outstanding	22,264,660
Class B Ordinary Shares
Entity Common Stock, Shares Outstanding	6,949,141