Schulzentrum Saterland (SZS) is a general education day school in Lower Ramsloh, Saterland, in Lower Saxony, Germany, established in 1971, comprising both a primary and a secondary school. The school's name in their native Sater Frisian is "Grote Skoul fon't Seelterlound," the "Great School of Saterland." The school consists of both a high school and junior high school.