Even in comprehensive schools and high schools, there are students with reading and spelling difficulties who struggle with German orthography. When the demands increase in secondary education, they suddenly find it difficult to keep up. This guide for teachers helps you better understand students with reading and spelling difficulties and shows how you can positively change the seemingly hopeless situation of students with spelling weaknesses in secondary education with manageable effort. You will learn how these students can reconnect with the class level and how supportive teaching can help them grasp spelling from the ground up.