Klippschule

Etymology
17th century, from (16th c.), probably from  +. . The original meaning may have been simply “village school, working-class school” (where the children wore clogs), but already the earliest attestion has the modern, restricted sense.

Noun

 * 1)  an unofficial school operated privately to teach (poor) children elementary skills
 * 2)  a bad, ineffective school
 * 1)  a bad, ineffective school