Description of the Business (Details)	9 Months Ended
Mar. 31, 2018 item
Description of the Business
Number of lines of business	3
Number of managed public schools that curriculum and services are sold to	75

Number of managed public schools that curriculum and services are sold to.

No definition available.

Name:	lrn_NumberOfManagedPublicSchoolsCurriculumAndServicesSoldTo
Namespace Prefix:	lrn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration