This is the twelfth best practice brief, a concise article detailing research based, authentic, and age appropriate practices in the area of early childhood assessment. Judy Harris Helm, Ed.D is an early childhood education consultant and President of Best Practices, Inc. who has worked extensively with the Ohio Resource Center for Mathematics, Science, and Reading to bring Ohio's early childhood community excellent project based resources through the Let's Learn: Inquiry Projects for Ohio's Young Learners, http://rec.ohiorc.org/projects , and now has written a very informative piece on assessment that will help guide teachers in the years ahead. In addition to giving an overview of the types of assessment used in early childhood, she provides a variety of excellent resources that will be helpful to those looking to continue study in this area. (author/nmb)