Wiggins and McTighe (2005, 18) challenge educators to think critically about acceptable assessment evidence by asking: “How will we know if students have achieved the desired results? What will we accept as evidence of student understanding and proficiency?” (p 18). Teacher education programs must face these important questions and affirm that answers are both valid and equitable. This article explores the benefits of evaluator training in the scoring of high-stakes work samplings produced by teacher preparation candidates