We mentioned this in another thread, but there is an error in some of the Seasons information we provided, which we plan to correct.
Right now, there are Challenges to complete Events and Public Events that grant S.C.O.R.E. At this time, however, Public Events themselves do not currently grant S.C.O.R.E., though this is something we're talking about as a potential addition as we look to bring further improvements to Seasons in the future.
We apologize for the confusion about this, and we will make sure that information is corrected.