Assessment is a perennial issue in the teaching of writing. Teachers dread it, and many are not well trained in the methodology regarding reliable and ethical assessment. However, informed assessment of student writing remains an important component of the classroom and of a teacher’s repertoire. Further complicating writing assessment are issues involving language acquisition, which English language learners bring to the classroom. Second language writers, however, are not alone in their need for rhetorical and language skills. Native speakers of English bring their own set of language issues to the writing classroom. As students progress from grade school to high school to college, they all encounter more complex discipline-specific genre...