I definitely think about syllabi appearances (at the expense of content, I’ll admit):
While researching the topic of accessibility and syllabi, I learned that the SIZE of the font is more important to the dyslexic reader than the absence of serifs (though serifs are problematic).
I also have been shoring up some memes and quotations to use in opening-day slides:


Here’s the website I found from the University of Michigan that offers learning support to people with dyslexia.
Here’s the article I found with information about “Good Fonts for Dyslexia.”