The school community can rally behind this activity. A mammoth volunteer force is needed. Students will improve their skills. Participants get a chance to hear and observe other groups. Good public relations.
Competitive activities are easier to publicize.
Presentations will increase the knowledge base and instructional skills of participating teachers. Modeling and observation are important factors. Master teachers and experts will be brought in to provide specialized instruction. The cost of experts and master teachers must be covered by an entry fee, fundraising, or other needs. The planning and implementation stages require many hours of work from two or more volunteers.