Yousaf School System (YSS) is a private school system in Pakistan, founded in 1988. It is headquartered in Lahore.

YSS offers a wide range of educational programs, from nursery to high school, and is known for its high academic standards and its focus on holistic development.

YSS schools are equipped with state-of-the-art facilities and have experienced and qualified faculty. The school system also offers a number of extracurricular activities and programs, such as sports, arts, and music. 

YSS is a popular choice for parents in Pakistan who are looking for a high-quality education for their children. YSS science labs are equipped with modern equipment and allow students to conduct experiments and learn about the world around them.

YSS is ranked among the top schools in Pakistan by the Higher Education Commission of Pakistan (HEC). The school system is known for its high-quality teaching and its commitment to student success.