This research is aimed to improve lecture quality of food hygiene and sanitationat TJP Boga of FT Unnes. At least 75% students got score seven for their mid test andat least 75% got score seven for final test. Research is conducted by applying 2research cycles consist of class discussion. There are 4 groups with a STAD studentand a lecturer in each group. The cycle consist of seven action. Most of students, i.e.66% got score above 70. Students are getting happier, more enthusiastic, active, andbrave, in lecturer.Kata kunci: Cooperative Learning, model STAD, kualitas pembelajaran
                        
                        
                        
                        
                            
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