This article explains the main examples of informal assessments in the classroom and shows how they fit within the wider landscape of assessment types. It also clarifies when informal assessment is the right tool, where its limits are, and how to use it well. The document lists and describes various informal assessment instruments and activities that teachers can use to inform instruction for students in both their native language and in English. Many teachers combine the two, for example by evaluating one skill using informal assessment such as observing group work, and another using formal tools, for example a discrete item grammar test. Teachers often use informal assessment to gauge how well students are learning the material during the learning process rather than at the end (we call this formative assessment). It is such a common part of teaching that most teachers practice informal assessment naturally. A solid informal language assessment battery typically includes a parent information form, teacher input, a classroom observation, work samples, a language sample, a standards-based or curriculum assessment, and dynamic assessment. Explore informal and alternative assessment in ELT with practical examples, benefits, and classroom-ready strategies for ESL teachers. The document outlines various informal language assessment ideas for multilingual learners, including methods such as home language surveys, parent-friendly student oral language observations, and anecdotal logs.