This document discusses standards-based assessment and standardized testing. It covers the key elements of standardized tests, including their uniform administration and validity. It also describes the shift toward establishing educational standards in response to criticisms of standardized tests. Specifically, it discusses the development of English Language Development (ELD) standards in California to better assess English learners. It notes the importance of standards for both student learning and teacher training. The document also addresses potential consequences of standardized testing, such as test bias, teaching to the test, and ethical issues raised by high-stakes testing.