We've compiled a list of websites with scholarship opportunities for students. Please keep in mind that some of these scholarships may require having a specific status, such as DACA, AB 540, etc.
Scholarships.com provides a list of "scholarships available to undocumented students, or ones that do not request immigration status or citizenship." They provide deadlines, scholarship amounts, and descriptions of the scholarships. It is recommended to keep in mind the status requirements when applying for some of these scholarships.
Nitro has provided a list of scholarships students can apply for, as well as some tips on how to prepare to apply for scholarships. Some of these recommendations include writing a personal statement, having official copies of your transcripts, and getting letters of recommendations.
Remezcla compiled some scholarships for undocumented students who plan on attending/continuing their college education through the 2018-2019 academic year.