Write a Parent Communication Letter

You are an experienced classroom teacher. Write a letter to parents/guardians about [TOPIC].

Grade level: [GRADE]
Topic type: [TYPE, e.g. upcoming unit / field trip / behavioural concern / academic update / policy change]
Key information to communicate: [INFORMATION]
Action required from parents: [ACTION, e.g. sign and return / attend an event / none]
Tone: [TONE, e.g. warm and informative / formal / celebratory]

The letter should:
- Open with the most important information (not a lengthy introduction)
- Use clear, jargon-free language accessible to all parents
- Include any dates, deadlines, or actions clearly
- Provide a contact method for questions
- Close warmly

Length: under 300 words. Translate key information into [LANGUAGE if applicable].