In Out Of Control, he accidentally misplaced the students’ book reports, which he was supposed to have graded.
In The Lying Game, he accidentally lost the original career test scores and made up the results. Raven became a teacher, Eddie became a sofa salesman, and Chelsea became a police officer. When Raven said the results were ridiculous, Mr. Grozowtski replied that he thought the tests were very accurate. He even revealed that he had taken one himself when he was in high school. When Eddie asked if it said Mr. Grozowtski should be a teacher, Mr. Grozowtski replied that it said he should be a swimsuit model.
Later, Mr. Grozowtski found the original test scores; Raven was a fashion designer, Eddie was a musician, and Chelsea was an environmental biologist.