English language learners in today's K-8 classroom -- Understanding the principles of second language acquisition -- Instructional and theoretical foundations of assessment -- Oral language and vocabulary assessment and development -- Reading acquisition in the primary and secondary languages -- Assessment and development of concepts of print, phonemic awareness and the alphabetic principle -- Assessment and development of word identification, comprehension, and reading fluency -- Assessment and development of written language and spelling -- Assessment in the content areas -- Putting the pieces together -- Instructional assessment in practice: a case study -- Appendices.