Assessing students' knowledge in English language lessons is a crucial aspect of language education, impacting both teaching effectiveness and student outcomes. This article explores a variety of methods used to evaluate English language proficiency, considering both traditional and modern assessment techniques. Traditional methods such as written and oral exams are examined alongside performance-based assessments like portfolios and project-based learning. Additionally, the article delves into formative assessments, including quizzes and classroom activities, and the growing role of technology-enhanced assessments through computer-based testing and language learning apps. By examining the effectiveness, advantages, and limitations of each method, the article provides valuable insights into how these diverse tools can be integrated into a comprehensive assessment strategy. The ultimate aim is to offer educators a detailed understanding of assessment practices to enhance language teaching and learning outcomes, ensuring that students are accurately and fairly evaluated in their English language proficiency.