Complex sentence: Appreciated by parents were the so-called head marks ("Kopfnoten") like behavior, industriousness, order, cooperation combined with a short teacher's essay about the student's character, success or progress often from a socialistic point of view.
Split into simpler sentences: Appreciated by parents were the so-called head marks ("Kopfnoten") which assessed behavior, industriousness, order and cooperation. These were combined with a short teacher's essay about the student's character, success or progress--often from a socialistic point of view.