Student Resources:
Carnegie Library of Pittsburgh Homework Tutoring Help: if you are a member of the Carnegie Library, you can get free tutoring help through tutoring.com, including help on a paper you've written.
ELA Resources:
Project Gutenberg: Free, public domain copies of classic literature.
Purdue Online Writing Lab (OWL): A fantastic resource for writing just about anything.
Scribbr: Mostly selling proofreading tools, but there are a lot of really good writing guides.
Vocabulary.com: A great tool for students to help learn vocabulary lists.
Merriam Webster Dictionary: Another excellent way to better understand words and expand your vocabulary.
Math Resources:
Desmos Graphing Calculator: An online graphing calculator to help understand algebraic concepts.