Thank you for reaching out about our Teacher Edition Membership. Each Teacher Edition membership gives you access to 20,000+ video lessons, comprehension quizzes, lesson plans, printable worksheets, formative assessments, English as a Second Language resources, and more covering virtually every academic subject. You can also send lessons to your students, and track grades in a handy gradebook. If you are ready to purchase an annual or monthly membership with a credit card, please visit us here. (https://study.com/academy/plans/teacher-sign-up.html )