This study explores the enhancement of English majors' practice teaching performance skills through the implementation of an integrated designed portfolio. The suggested portfolio serves as a reflective blueprint, enabling students to apply and illustrate the theoretical knowledge gained from academic and educational courses in language, psychology, and curriculum studies. Designed to measure the professional skills acquired from these courses, the portfolio promotes a comprehensive and practical understanding of teaching. A sample of 60 students from the Faculty of Education was divided into a control group and an experimental group, each consisting of 30 students. The experimental group utilized the integrated designed portfolio, while the control group followed traditional approach which relied on conventional lesson planning and assessment practices. The study employed practical test, including the implementation of an English lesson, and Practice Teaching performance Skills Rubric. The results revealed that the integrated portfolio significantly improved the professional skills and teaching efficacy of English majors, providing an integrated framework for reflective and applied learning.