Backups are definitely helpful in ransomwares, but before systems can be restored and brought back online, victim organizations still need to assess the scope of the breach, find the initial access vector, identify compromised accounts, and evict the threat actor. That can take time.
I’m not certain, but it appears you’re giving Instructure a pass here, as if this is the first time they were hacked. But, it’s the second, by the same group.
As a parent of kids who are impacted by this, I’m not super concerned about the data being held for ransom, but I sure as fuck am concerned about how much it’s going to cost the district to move to another provider.