You might want to open with a joke. I find that if someone is telling a story relating to this issue I listen better, rather than someone who is spouting statistics.
Always cater to your audience and try to relate to them. You can open up with an anecdote that helps lead you into your issues. If you'd like, you can message me what you've got so far, and I'd be glad to help you. I've won speech awards, so maybe I can be of some assistance.how to write a speech for high school students on career choices