Day 1 - 2: Scope subjects, upload sample docs (units, rubrics), set roles & guardrails.
Day 3 - 4: Teacher workshop: lesson planning, differentiation, and assessment drafting.
Day 5: Small-group classroom trial (one class per subject). Collect feedback.
Week 2: Iterate prompts, add more exemplars, introduce student help mode with age-appropriate settings.
Keep it lightweight. Ship value in days, not months.