One option is not to become a member at all, and simply refer your students to this website. However, becoming a member allows you to track your students' progress, and create an online Class.

Free Teacher Membership

A free teacher membership will allow you to monitor your students' progress, and create an online syllabus for them.

Premium Teacher Membership

A premium teacher membership will allow you to give all of your students premium access. This service is only available to bonafide Spanish teachers at the High School and College level.