This summary of the Bloomington, Minnesota, public schools writing assessment program includes background information about the selection of exercises that assessed fourth-, eighth-, and eleventh-grade students' writing abilities, a list of these exercises that were used, and information about the students who were assessed. The results of the assessment (with national results included for comparison) are divided into data on primary traits (recording, responding, expression, and persuasion) and secondary traits (overall mechanics, word errors, and sentence errors). The final two sections of the report contain analysis of the results, comments, recommendations, and a table of students' performances in writing mechanics. (RL) Aspect of National Assessment (NAEP) dealt with in this document: Procedures (Replication).