Generate a full detail guide for parents on how to be an effective advocate for their child in the school system. The guide should be empowering and clear. It must include: 1. A glossary of common education acronyms and terms (e.g., IEP, 504 Plan, RTI). 2. A step-by-step guide on how to prepare for a meeting with school staff. 3. A guide to effective communication: keeping records, using a collaborative tone, and following up. 4. A section on knowing your parental rights. Please include a disclaimer to consult official school district and government resources.