The document discusses the concept of "hidden curriculum" which refers to the unofficial and often unintended lessons learned by students in school beyond the formal academic curriculum. It is described as "hidden" because it is usually unexamined. The hidden curriculum includes the academic, social, and cultural environment of the school. The academic environment includes topics taught, teaching methods, and school structures/rules. The social environment refers to student-student and student-teacher relationships. The cultural environment includes the values and expectations promoted in the school. The implications of hidden curriculum is that it affects students' behaviors and perspectives, though often ignored, and its impact can vary between different school cultures. It is important to examine the hidden curriculum to improve the teaching