The main objective of this research was to assess instructors' and trainees' perception andrnpractices on common courses. To this end, the focus of the research was on fourrnpurposively selected TVET colleges in South Wollo Zone. The trainees selected for thisrnresearch were 10 + 3. They were selected purposively. The main reason of.~Â·electing theserntrainees was that they have taken all common courses. So, they could give reliablerninformation. A descriptive survey method was applied. Four TVETs, Kombolcha, Siheen,rnAdmas Dessie Campus and Tropical College of Medicine were taken as sample of the studyrnFrom these TVETs, of the total 700 trainees, 189 (30%) from two government TVETs werernselected with stratified sampling and all 70 (100%) of trainees from the private TVETsrnwere taken as their number was manageable. To collect the data, questionnaire,rninterview, focus group discuss, classroom observation checklist and a rating scale werernapplied to collect data from instructors and trainees. The data collected were organizedrnand interpreted by using quantitative (statistical) and( Qualitative( descriptions).rnapproaches. The analysis and interpretation of the data showed that common coursesrnwere not given due allention by instructors and trainees. Recommendations werernsuggested to TVET colleges, instructors and trainees to give due allention to commonrncourses and help trainees develop skills, knowledge and positive altitude.