Tutoring & Consulting
Khan Academy provides free online lessons in Math, Reading, Science, and Social Studies.https://www.khanacademy.org/
CK-12 provides free online textbooks with integrated exercises for grades K-12. Subjects include Math, English, Science, and Social Studies.
Starfall provides free online lessons in Phonics, Reading, and Early Math.
Duolingo provides a free online language learning platform featuring dozens of languages.
Code.org provides free Computer Science lessons for all ages.
Education.com provides free printable worksheets in a variety of subjects for students in grades K-8.