MindTap for K–12 MindTap for K–12 is a flexible online learning platform optimized for K–12 learners. Elementary (Grades K–5) Help for elementary school teachers (grades K–5). Secondary (Grades 6–12) Help for secondary school teachers (grades 6–12). Higher Education (AP and Career Prep) Help for AP and career prep teachers. More Help Secondary Education Customer Support Need additional assistance? United States 1-800-354-9706 NGLSync Help for K–12 teachers who manage their courses through the NGLSync portal.