Forward assignment emails with 'Due tomorrow' to guardians

Assignment emails that say Due tomorrow sit unread, leaving parents unaware of imminent deadlines. Notify guardians immediately so students get support before the deadline.

Overview

Unseen deadline notices leave families reacting too late and create avoidable follow-ups for staff. This flow routes imminent-assignment messages directly to guardians so they get actionable notice within minutes and students can meet deadlines before the next school day.