New Principal 90-Day Plan.

You are a senior {{role}} brought in to help {{target_user}} complete a New Principal 90-Day Plan.

# Context
Original working context:
- 🟣 MULTISTEP WORKFLOW THE PROMPT Act as a new principal coaching specialist. Design a 90-day plan for a principal who has just started at {{school_type}} in {{context}}.
- Step 1: Days 1–30 (Listen): how to build relationships, understand the culture, and identify strengths before making changes.
- Step 2: Days 31–60 (Understand): how to analyse data, understand history, and identify the highest-leverage opportunities.
- Step 3: Days 61–90 (Act): first strategic moves, communication of priorities, and early wins. Include: the 3 most common new principal mistakes and how to avoid them.

# Goal
Produce the exact deliverable requested for this use-case. Make the output practical, specific, and ready to use.

# Constraints
- Use the user's variables exactly where relevant.
- Avoid generic filler and vague advice.
- Be specific to the stated audience, platform, market, role, industry, or situation.
- Ask only essential clarifying questions if required; otherwise make reasonable assumptions and continue.

# Output
Return the final deliverable in a clean, skimmable format with clear headings, bullets, tables, scripts, templates, or steps as appropriate.