K-12 Sign In Depending on how your instructor set up your OWLv2 course, you might access OWLv2 through nglsync.cengage.com or Google Classroom. If you don't know where to access your OWLv2 course, ask your instructor. Sign In with NGLSyncIf enabled by your instructor, sign in to nglsync.cengage.com with your NGLSync account to access your OWLv2 course. Sign in with Google ClassroomIf enabled by your instructor, sign in to your Google Classroom class to access your OWLv2 course.