ACM SIGCSE may give in-cooperation status to non-SIGCSE events that are fully sponsored by other non-profit organizations. To approved, the event(s) must be relevant to SIGCSE and provide some sort of benefit to SIGCSE members. For further details see the in-cooperation policy.
Future in-cooperation events:
Australasian Computing Education conference (ACE 2019)
18th Koli Calling International Conference on Computing Education Research