Teaching is full of challenges. While teachers of young language learners are fully aware of the importance of assessment, how best to make use of assessment to assist their students’ learning remains a question for many of them. This workshop focuses on classroom-based assessment. After reviewing some of the key notions in assessment, including assessment for learning, formative and summative purposes of assessment, and validity and reliability, the participants will discuss the pros and cons of various classroom-based assessments for young learners while reviewing a few sample cases. The participants then will discuss how best to implement classroom assessment and utilize the assessment results in order to assist their students’ language learning.