When an organization is interested in assessing or improving some aspect of its performance (e.g. job satisfaction, safety compliance), they may conduct quality assurance or improvement studies. Similarly, schools may test their students within normal educational requirements (e.g. to assess knowledge retention). These activities are usually not considered research as defined by MoPH and TCPS 2 and do not require IRB review.
If you are still uncertain if your project falls under the QA umbrella, contact OARI.