Online writing and literature classes for middle and high school levels. Courses run for 32, 16, or 8 weeks, with a weekly lesson and writing assignment. Students receive written feedback from the teacher. Prices are quite reasonable what is essentially a writing tutor.
This site has a library of science activities and lessons, plus links to many other websites.
These learning kits on different countries are designed to promote global citizenship.
Self-paced, online coding classes for ages 7 to 15.
This site provides group buys for homeschoolers.
This is a wonderful website from Stanford Math Education Professor Jo Boaler.
This is the organization that publishes Poetry Magazine.