It's easier to recover from a patch of jitters when you have a full set of notes than if you have either none or a bare outline.
In real life, most speeches start with some fairly standard conventions. Next up: leaflets. School uniforms are uncomfortable, itchy and worst of all, bland. In case you are given a particular subject, it would be a good idea to brainstorm the topic and gather material from various sources — Internet, magazines and books.
Use personal details and anecdotes Every good speech writer aims to make the audience relate to them. The speech has to be informative, grammatically and stylistically correct and compelling. One of the best ways to do that is to tell a short story about yourself, or provide short personal details.
Ideally you want an opening that makes listening to you the only thing the 'Joes' in the audience want to do. Try them out.
You do this with a "hook". If it's too long for the time allowance you've been given make the necessary cuts.