One of the best ways to find relevant datasets is to be on the look-out for mentions of datasets while you read research studies.
Skim the article linked below:
Work with one or two of the people sitting on either side of you to answer these questions about the article:
What data did the authors use in their research?
Can you find any of this data online?
Be prepared to share what you’ve found with the class.
These resources provide access to data and statistics relevant to a wide range of subject areas.
Education Data & Statistics by State