EBSCO covers a range of disciplines and subjects. Log in with KHS information (see the teacher for the details if you don't remember). EBSCO can be fine-tuned to return only scholarly, peer-reviewed sources.
JSTOR is a website that collects hundreds of journals and scholarly work. Use this link to access all of JSTOR's content. If you create a free account, you can view and read 6 articles for free each month.