English speech help?Watch
How old are you?
You'd want to do an intro, 3 points and conclusion
Use AFOREST: https://www.slideshare.net/wendron/p...es-and-aforest
Research Aristotle's "rhetoric": https://www.youtube.com/watch?v=y5z3zWJIthI
Read BBC Bitesize guide: https://www.bbc.com/bitesize/guides/zpphfcw/revision/1
Remember to include anecdotes(and evidence); you have personal experience of mental illness!
Are there any specific topics/points you want to talk? I can help with coming up with ideas? What's your overall message?