Which assessment measures a school's progress toward all students reading on grade level?

The choice of outcome assessment is appropriate because this type of assessment is specifically designed to evaluate the effectiveness of educational programs and the overall progress of students towards achieving specific learning goals, such as reading on grade level. Outcome assessments examine the end results of instruction and can provide valuable insights into whether all students are meeting the expected standards of proficiency in reading.

Unlike diagnostic assessments, which gather information on students' strengths and weaknesses to inform instruction, or formative assessments, which monitor student learning during the instructional process, outcome assessments focus on the overall effectiveness of the educational approach after instruction has taken place. Summative assessments, while also focused on measuring student learning at the end of an instructional period, are typically more about measuring achievements in courses or programs rather than assessing the broad progress of all students in achieving grade-level reading. Thus, outcome assessments are the most aligned with the goal of measuring a school's progress toward ensuring all students are reading at grade level.