The Namibian Senior Secondary Certifi cate Ordinary Level (NSSCO) Agricultural Science has been developed to meet the requirements of the revised Agricultural syllabus for the NSSCO phase. This Teacher’s Guide is developed to assist teachers with effective implementation of the course andassessment. In addition, the following support materials have been developed to assist in the teaching and learning: Learner’s Book containing varied and challenging Self-Mark Activities, and Learner’s Answer Book containing all feedback for Self-Mark Activities.