I think a good place to start is with a quick search for STEM scholarships for women. Other good resources to check out are scholarship finders like Fastweb and Scholarship Owl, which are basically sites that you can make a profile on and get recommendations for scholarships that you're eligible for. I'd also check out your school district website to look for any school scholarships for graduating seniors. Depending on what kind of university you're going to attend, they may also have merit-based STEM scholarships that you can apply for. There may also be local nonprofits or organizations/chapters of a larger organization that have small scholarships that you can apply for. Some larger scholarships include ones from Google, Amazon, National Merit, and other organizations, which you can check out to see if you're eligible. Definitely shoot your shot for those, but don't forget about the smaller scholarships, which can really add up. Good luck!