TTESS Texas Teacher Evaluation and Support System OnDataSuite is currently working with vendors to obtain TTESS extracts to load into OnDataSuite. This topic will be updated soon. Feel Free to submit a support ticket if you have questions. TTESS File LayoutInformation about TTESS (What is TTESS) Updated on 07/18/2022 Tagged: AppraisalOnTargetTeacherTTESS Was this article helpful? Yes No Need Support?Can't find the answer you're looking for?Contact Support