ABSTRACT
Teachers and supervisors of Presidency of Female Education in Dammam and Female students in King Faisal University. A cross sectional study was conducted. A self administered questionnaire was used before and after the course to measure the knowledge level. Before the course, 15.6% of the participants were classified as high level according to the knowledge of drug addiction hazards. The percentage increased to 78.1% after the course. The low level of knowledge was nil among the participants after the course. The mean score before the course was 165.66 +/- 29.54 [SD] and after the course 216.00 +/- 28.55[SD]. The differences between the two mean scores was statistically significant at [P<0.001]. This is a positive indicator of the importance and value of the course