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