The Australian Council for Educational Research (ACER) is one of the world's leading educational research centres. ACER's mission is to create and promote research-based knowledge, products and services that can be used to improve learning across the life span. This annual report describes ACER's milestones and accomplishments for the 2014-2015…

Recent legislative and local school accountability efforts have placed a premium on the collection, analysis, and use of student assessment data. Beyond state-based summative student achievement data, schools are searching for in-year information about student performance. As a result, school leaders are searching for the formative assessment…

On Monday, the teacher assigns her class a list of 20 spelling words to learn. On Friday, she tests the students on how well they learned to spell these words. This "mastery measurement" is the traditional way of determining student progress. The next spelling mastery test will indicate mastery of the next week's 20 new words, a new skill.…