The University has two Flickr accounts:
https://www.flickr.com/photos/stevensonuniversity/
Contact Aaron Harris (asharris@stevenson.edu) in the Office of Marketing and Digital Communications.
https://www.flickr.com/photos/mustangarchives/
Contact the Office of Marketing and Digital Communications.
Go for it! Just make sure you read the fine print so you know whether you can use the images or not. Look for a section called About, FAQ, Terms, License, or similar.
The Creative Commons License is a set of rules that dictate how you can use an image or work. If you use an image or work published under a CC license, you must credit the author by name (Attribution), and there may be other restrictions, such as not making modifications (NoDerivs) or not making money (NonCommercial). For more information, visit the Creative Commons website.
In addition to the CC licenses described above, there is also CC0, which allows copyright holders to waive their rights, if they so choose. See this page for a full explanation:
https://creativecommons.org/share-your-work/public-domain/cc0/