Critical literacy is a skill needed for academic and intellectual achievement, lifelong learning, discourse, future job prospects and other endeavours. Although it is instrumental to developing social interactions and relationships, some students cannot think critically and contribute meaningfully to spoken/written discourse because they do not possess the necessary skills and strategies. One way of developing critical literacy is through argumentative writing. Often, some students perceive argumentative writing as a complex and complicated skill in spite of its importance to their academic and lifelong goals. This paper discusses the importance of critical literacy and explores how argumentative writing can help develop this skill to salvage this situation. The article concluded that students should be exposed to the rudiments of argumentation to become critical literates who can critically scrutinise, appraise, and interpret information for their academic development and social transformation.