Diagnostic assessments are tools used to evaluate a student's knowledge, skills, and learning needs before instruction begins. These assessments help educators identify strengths and weaknesses in specific areas, allowing them to tailor their teaching strategies to better support each learner. Common forms of diagnostic assessments include quizzes, tests, and informal observations. The primary goal of diagnostic assessments is to gather objective information that informs instructional planning. By understanding where students stand academically, teachers can create targeted interventions and personalized learning experiences. This approach ultimately aims to enhance student success and ensure that all learners receive the support they need to thrive in their educational journey.