Consider uploading hand sketches or a quick study model of all your first ideas. You can scan these drawings or take photos of your model.
Brainstorming ideas is your first step towards making an informed decision to the design solution. Learn more about that here.
From a reviewer: The sun study and your sketch of the school from Google was helpful in orienting me to the site. I would have liked to see some reference to the sun study in the later design stages, such as whether this drove your decision to add the glass roof?
As the image above is a large site plan of the area, highlighting the cafeteria with color or notes would clarify the exact location of the cafeteria for those who do not know your building.