Credo is an academic alternative to Wikipedia. It includes many sources about Education, like encyclopedia articles, specialty dictionaries, videos, and handbooks.
The databases featured in this box are particularly useful for this class. You can learn more about databases on the Research Hub.
To start your search in the library's catalog, think about keywords related to education environments, school architecture, or public school buildings.
When you find a relevant book, click on the Description to see the subject headings to to find more books on the topic.
Try some of these subject headings related to school spaces in WorldCat@SU:
Here are a few school furniture companies in Texas that I found via Google. While I can't endorse any of these sites, I saw lots of examples of contemporary school desks, tables, chairs, etc. These catalogs can certainly provide you with detailed ideas for your own school design.