Hinsdale Central utilizes the following site for roster and schedules:

https://schools.snap.app/hinsdalecentral/athletics/baseball/b/all

Note: Snap! Mobile acuired 8to18 in 2022

April 29, 2022 /PRNewswire/ -- Snap! Mobile, Inc. today announced it has acquired CNXT Digital, the software service company consisting of 8to18 and SchoolCNXT. 

https://www.prnewswire.com/news-releases/snap-mobile-inc-acquires-8to18-and-schoolcnxt-301536195.html